UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P/ZWeJ5PHyz/DrYn0Lj2JxlBaVcEARNZMxp7IOT/oLk=' 
WHERE 
  key_id = '797c8dfeed771e199605778db28191efa8b0056d10a2847608dbbde1e6c31b1d' 
  AND (
    token = 'P/ZWeJ5PHyz/DrYn0Lj2JxlBaVcEARNZMxp7IOT/oLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )