UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gnQ5HPoI/nhEUJSJPsd9Zd8hf78f6lwe598VCAzzMhs=' 
WHERE 
  key_id = '6ecac4099b69500f9b3cea150f70aba68585d712c157bda5ac9c2da627b05832' 
  AND (
    token = 'gnQ5HPoI/nhEUJSJPsd9Zd8hf78f6lwe598VCAzzMhs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )