UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xsawHBXp1lJxBXRA+k5i4MGGx8UGE5KyLtxidMnbEHc=' 
WHERE 
  key_id = 'f6efd6784b4e08025e07a88469ae67a3524a35a3dd27117f85978738284b40f7' 
  AND (
    token = 'xsawHBXp1lJxBXRA+k5i4MGGx8UGE5KyLtxidMnbEHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )