diff --git a/services/nginx/app/objects/customer_password_reset_keys_o.php b/services/nginx/app/objects/customer_password_reset_keys_o.php
index c2b413c9..c937b0a2 100644
--- a/services/nginx/app/objects/customer_password_reset_keys_o.php
+++ b/services/nginx/app/objects/customer_password_reset_keys_o.php
@@ -18,13 +18,18 @@ class customer_password_reset_keys_o extends db
     public object_property $updated_at;
     public object_property $deleted_at;
     const TOKEN_LENGTH = 32;
-    const TOKEN_EXPIRY_SECONDS = 3600; // 1 hour
+    const TOKEN_EXPIRY_SECONDS = 72 * 60 * 60; // 72 hours
 
     public function structure(): void
     {
         $this->setTable('customer_password_reset_keys');
     }
 
+    private function validTokenWhereClause(): string
+    {
+        return "deleted_at IS NULL AND created_at >= DATE_SUB(NOW(), INTERVAL " . self::TOKEN_EXPIRY_SECONDS . " SECOND)";
+    }
+
 
     /**
      * Add a new customer reset key
@@ -65,9 +70,8 @@ class customer_password_reset_keys_o extends db
         if (strlen($token) !== self::TOKEN_LENGTH) {
             return null;
         }
-        // Query the database for a valid token
-        $current_time = date('Y-m-d H:i:s');
-        $sql = "SELECT id FROM $this->table WHERE token = '" . $db->escape_string($token) . "' AND deleted_at IS NULL AND created_at >= DATE_SUB('$current_time', INTERVAL " . self::TOKEN_EXPIRY_SECONDS . " SECOND) LIMIT 1";
+        // Query the database for a valid token using the same clock that writes created_at.
+        $sql = "SELECT id FROM $this->table WHERE token = '" . $db->escape_string($token) . "' AND " . $this->validTokenWhereClause() . " LIMIT 1";
         $result = $db->query($sql);
         if ($result->num_rows === 0) {
             return null;
@@ -85,13 +89,11 @@ class customer_password_reset_keys_o extends db
      */
     public function isValidToken(): bool
     {
+        global $db;
         self::requireSelected();
-        $created_at = strtotime($this->created_at->value());
-        $current_time = time();
-        return (
-            ($current_time - $created_at) <= self::TOKEN_EXPIRY_SECONDS) &&
-            ($this->deleted_at->value() === null
-            );
+        $sql = "SELECT id FROM $this->table WHERE id = " . (int)$this->id . " AND " . $this->validTokenWhereClause() . " LIMIT 1";
+        $result = $db->query($sql);
+        return $result->num_rows > 0;
     }
 
     /**
@@ -140,4 +142,4 @@ class customer_password_reset_keys_o extends db
     {
         //TODO: Add cache invalidation
     }
-}
\ No newline at end of file
+}
diff --git a/services/nginx/app/routes/authRoute.php b/services/nginx/app/routes/authRoute.php
index f6713372..8a6cd608 100644
--- a/services/nginx/app/routes/authRoute.php
+++ b/services/nginx/app/routes/authRoute.php
@@ -570,7 +570,8 @@ class authRoute
             $reset_link = "https://truckwash.io/auth/password-reset/" . $token;
 
             $subject = 'Adgangskode nulstilling';
-            $message = "Du har anmodet om at nulstille din adgangskode. Klik på linket herunder for at fortsætte:<br><br><a href='$reset_link'>$reset_link</a><br><br>Linket er gyldigt i 1 time.";
+            $valid_hours = (int)(customer_password_reset_keys_o::TOKEN_EXPIRY_SECONDS / 3600);
+            $message = "Du har anmodet om at nulstille din adgangskode. Klik på linket herunder for at fortsætte:<br><br><a href='$reset_link'>$reset_link</a><br><br>Linket er gyldigt i $valid_hours timer.";
 
             try {
                 $email->sendEmail($email_address, $user->display_name->value() ?? 'Kunde', $subject, $message, null);
diff --git a/services/nginx/app/tests/Unit/Auth/PasswordResetTokenExpiryTest.php b/services/nginx/app/tests/Unit/Auth/PasswordResetTokenExpiryTest.php
new file mode 100644
index 00000000..8f4434fd
--- /dev/null
+++ b/services/nginx/app/tests/Unit/Auth/PasswordResetTokenExpiryTest.php
@@ -0,0 +1,105 @@
+<?php
+
+use objects\customer_password_reset_keys_o;
+
+app_require('objects/customer_password_reset_keys_o.php');
+
+if (!class_exists('PasswordResetTokenExpiryFakeResult')) {
+    class PasswordResetTokenExpiryFakeResult
+    {
+        public int $num_rows;
+
+        public function __construct(private readonly array $rows)
+        {
+            $this->num_rows = count($rows);
+        }
+
+        public function fetch_assoc(): ?array
+        {
+            return $this->rows[0] ?? null;
+        }
+    }
+}
+
+if (!class_exists('PasswordResetTokenExpiryFakeDb')) {
+    class PasswordResetTokenExpiryFakeDb
+    {
+        public array $queries = [];
+
+        public function __construct(private readonly array $results)
+        {
+        }
+
+        public function escape_string(string $string): string
+        {
+            return addslashes($string);
+        }
+
+        public function query(string $sql): PasswordResetTokenExpiryFakeResult
+        {
+            $this->queries[] = $sql;
+
+            return $this->results[count($this->queries) - 1] ?? new PasswordResetTokenExpiryFakeResult([]);
+        }
+    }
+}
+
+if (!class_exists('PasswordResetTokenExpiryProbe')) {
+    class PasswordResetTokenExpiryProbe extends customer_password_reset_keys_o
+    {
+        public function getObjectProperties(): void
+        {
+        }
+
+        public function forceSelectedId(int $id): void
+        {
+            $this->id = $id;
+        }
+    }
+}
+
+beforeEach(function (): void {
+    $this->previousDb = $GLOBALS['db'] ?? null;
+});
+
+afterEach(function (): void {
+    if ($this->previousDb !== null) {
+        $GLOBALS['db'] = $this->previousDb;
+        return;
+    }
+
+    unset($GLOBALS['db']);
+});
+
+it('keeps password reset tokens valid for 72 hours', function (): void {
+    expect(customer_password_reset_keys_o::TOKEN_EXPIRY_SECONDS)->toBe(72 * 60 * 60);
+});
+
+it('looks up reset tokens using the database 72 hour validity window', function (): void {
+    $GLOBALS['db'] = new PasswordResetTokenExpiryFakeDb([
+        new PasswordResetTokenExpiryFakeResult([['id' => 42]]),
+    ]);
+
+    $token = str_repeat('a', customer_password_reset_keys_o::TOKEN_LENGTH);
+    $probe = new PasswordResetTokenExpiryProbe();
+
+    $found = $probe->findValidByToken($token);
+
+    expect($found)->toBe($probe)
+        ->and($probe->id)->toBe(42)
+        ->and($GLOBALS['db']->queries[0])->toContain('created_at >= DATE_SUB(NOW(), INTERVAL 259200 SECOND)')
+        ->and($GLOBALS['db']->queries[0])->not->toContain("DATE_SUB('");
+});
+
+it('uses the same database 72 hour window for the selected token guard', function (): void {
+    $GLOBALS['db'] = new PasswordResetTokenExpiryFakeDb([
+        new PasswordResetTokenExpiryFakeResult([['id' => 42]]),
+    ]);
+
+    $probe = new PasswordResetTokenExpiryProbe();
+    $probe->forceSelectedId(42);
+
+    expect($probe->isValidToken())->toBeTrue()
+        ->and($GLOBALS['db']->queries[0])->toContain('id = 42')
+        ->and($GLOBALS['db']->queries[0])->toContain('created_at >= DATE_SUB(NOW(), INTERVAL 259200 SECOND)');
+});