diff --git a/public/include/classes/token.class.php b/public/include/classes/token.class.php
index bb947005..902a6b90 100644
--- a/public/include/classes/token.class.php
+++ b/public/include/classes/token.class.php
@@ -30,7 +30,7 @@ class Token Extends Base {
    * @return int 0 or 1
    */
   public function isTokenValid($account_id, $token, $type) {
-    $stmt = $this->mysqli->prepare("SELECT * FROM $this->table WHERE account_id = ? AND token = ? AND type = ? AND time < NOW() LIMIT 1");
+    $stmt = $this->mysqli->prepare("SELECT * FROM $this->table WHERE account_id = ? AND token = ? AND type = ? AND UNIX_TIMESTAMP(time) < NOW() LIMIT 1");
     if ($stmt && $stmt->bind_param('isi', $account_id, $token, $type) && $stmt->execute())
       return $stmt->get_result()->num_rows;
     return $this->sqlError();