UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+tc0/w9+gxYn9Hp0vD6VXNNvQzCnXHIllZxMkIMnko=' 
WHERE 
  key_id = '500b25a16978a06011e100d0e7c58b67cb30940e046d643948e143381e9c56ad' 
  AND (
    token = 'O+tc0/w9+gxYn9Hp0vD6VXNNvQzCnXHIllZxMkIMnko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )