redis-queue 消费 偶尔锁住报错[MySQL]SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction

  // 启动事务
        Db::startTrans();
        try {
            $con[] = ['code', "=", $code];
            $r1 = Db::name("code")->where($con)->save($getnewdata);
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
            print $e->getMessage();
        }