UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xYB8xOEkO7tvurmKs6ZmDK1ohEV53ZFbihzC+34CVRg=' 
WHERE 
  key_id = 'a91303284e2ee90ded189ea9a1cabf8ea81f48c78e3e569c67184d1fdd267b7d' 
  AND (
    token = 'xYB8xOEkO7tvurmKs6ZmDK1ohEV53ZFbihzC+34CVRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )