UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unLtE5KQqWg7DPXDJPWj5eTHAFYgsD/I9K3Gvs+NctY=' 
WHERE 
  key_id = '9a87dc785bdf50aa56e4387ae8ea17e69d51cd856851f9d80356ffd268edc60d' 
  AND (
    token = 'unLtE5KQqWg7DPXDJPWj5eTHAFYgsD/I9K3Gvs+NctY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )