UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HMrkCXRG7geOAVRBXKf5RckVIcLGqdbYyidtqTmz6og=' 
WHERE 
  key_id = '13945ff8cf133e8de411f427a9af64a531fd4de0c21868884047fc5334717cf9' 
  AND (
    token = 'HMrkCXRG7geOAVRBXKf5RckVIcLGqdbYyidtqTmz6og=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )