UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HSDUIjrLMttL2mI8eia3vovd30knrR0D1o7l6hGkq+M=' 
WHERE 
  key_id = '21b76ee7482873a568a65f9a7a58bf0026a90471b596c56d765596b5ef14a7cf' 
  AND (
    token = 'HSDUIjrLMttL2mI8eia3vovd30knrR0D1o7l6hGkq+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )