diff --git a/src/Symfony/Component/Security/Http/LoginLink/LoginLinkHandler.php b/src/Symfony/Component/Security/Http/LoginLink/LoginLinkHandler.php
index b49fd8b1ea31b..b55e8aa6becf9 100644
--- a/src/Symfony/Component/Security/Http/LoginLink/LoginLinkHandler.php
+++ b/src/Symfony/Component/Security/Http/LoginLink/LoginLinkHandler.php
@@ -46,9 +46,9 @@ public function __construct(UrlGeneratorInterface $urlGenerator, UserProviderInt
 
     public function createLoginLink(UserInterface $user, Request $request = null): LoginLinkDetails
     {
-        $expiresAt = new \DateTimeImmutable(sprintf('+%d seconds', $this->options['lifetime']));
+        $expires = time() + $this->options['lifetime'];
+        $expiresAt = new \DateTimeImmutable('@'.$expires);
 
-        $expires = $expiresAt->format('U');
         $parameters = [
             // @deprecated since Symfony 5.3, change to $user->getUserIdentifier() in 6.0
             'user' => method_exists($user, 'getUserIdentifier') ? $user->getUserIdentifier() : $user->getUsername(),
diff --git a/src/Symfony/Component/Security/Http/Tests/LoginLink/LoginLinkHandlerTest.php b/src/Symfony/Component/Security/Http/Tests/LoginLink/LoginLinkHandlerTest.php
index 767f553bf4d55..c454f65164ba4 100644
--- a/src/Symfony/Component/Security/Http/Tests/LoginLink/LoginLinkHandlerTest.php
+++ b/src/Symfony/Component/Security/Http/Tests/LoginLink/LoginLinkHandlerTest.php
@@ -52,6 +52,7 @@ protected function setUp(): void
     }
 
     /**
+     * @group time-sensitive
      * @dataProvider provideCreateLoginLinkData
      */
     public function testCreateLoginLink($user, array $extraProperties, Request $request = null)