UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NmYVlwBG3SdA5BW52wuxvxkkQFVk5eWmsojORRogqLs=' 
WHERE 
  key_id = '273a37669901abc2744d486bf1c870cb919adc453e44b85a3a4f79e0b7864f51' 
  AND (
    token = 'NmYVlwBG3SdA5BW52wuxvxkkQFVk5eWmsojORRogqLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )