UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pl6X7wfJw0Elx50DmIlTyWviy4kCt0QJnzr8E6rwLrs=' 
WHERE 
  key_id = '8c876c51812ff87f7b56c51a9fdb9c15f991a059697978b89acf6bb8b46cb269' 
  AND (
    token = 'pl6X7wfJw0Elx50DmIlTyWviy4kCt0QJnzr8E6rwLrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )