UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XrHvc87eI2JBKx5s0BVCMfL0ApVT2qkTNxKJxElHFMQ=' 
WHERE 
  key_id = '8ff5288bea00e93816651f8ce7807485ec996a0b680a02564c9da8133e392adb' 
  AND (
    token = 'XrHvc87eI2JBKx5s0BVCMfL0ApVT2qkTNxKJxElHFMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )