UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7g6IQNRilDUmcHeJEEx4mSP4YwFkUJ5Yqz36FaKvTcI=' 
WHERE 
  key_id = 'b04d40be92495968bac7ddcbd1715974dc70e847b07ce02c5c896c6cef25422a' 
  AND (
    token = '7g6IQNRilDUmcHeJEEx4mSP4YwFkUJ5Yqz36FaKvTcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )