diff --git a/src/OAuth2/Storage/PDO/Session.php b/src/OAuth2/Storage/PDO/Session.php
index 6af2d107..e3df933d 100644
--- a/src/OAuth2/Storage/PDO/Session.php
+++ b/src/OAuth2/Storage/PDO/Session.php
@@ -210,7 +210,7 @@ class Session implements SessionInterface
         $db = \ezcDbInstance::get();
 
         $stmt = $db->prepare('SELECT session_id FROM `oauth_session_access_tokens` WHERE
-         access_token = :accessToken AND access_token_expires <= ' . time());
+         access_token = :accessToken AND access_token_expires >= ' . time());
         $stmt->bindValue(':accessToken', $accessToken);
         $stmt->execute();