UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+W3nFKSsoalxGccK8paOvO9FNmq+uIkZffWvVsq+CPI=' 
WHERE 
  key_id = '8a5fefee401cac9b8b9222e0759aa7ef75bfe50f53dc78251f47ae119a32ae3a' 
  AND (
    token = '+W3nFKSsoalxGccK8paOvO9FNmq+uIkZffWvVsq+CPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )