Laravel - 序列化失败：1213尝试锁定时发现死锁;

Question

My web app is receiving a lot of data from a Webhook and I'm inserting this into a table. In most instances it works fine but through the day, I'll normally get 20-40 deadlock errors and I don't understand why as I have my code in a DB::Transaction block which I thought would prevent deadlocks.

What am I doing wrong?

DB::transaction(function() use ($result, $json, $status, $c_decode, $m_decode, $d_decode) {

    try {
        DB::connection('mysql2')->statement('INSERT INTO transactions (json, uuid, status, divisionName, divisionUuid, merchantName, merchantUuid, channelName, channelUuid, channelLogin, channelPwd)
                                            VALUES (:json_1, :uuid, :status_1, :divisionName, :divisionUuid, :merchantName, :merchantUuid, :channelName, :channelUuid, :channelLogin, :channelPwd)
                                            ON DUPLICATE KEY UPDATE json = :json_2, status = :status_2',
                                            array('json_1' => $result,
                                                'json_2' => $result,
                                                'uuid' => $json->payload->id,
                                                'status_1' => $status->status,
                                                'status_2' => $status->status,
                                                'divisionName' => $d_decode->divisionInfo->name,
                                                'divisionUuid' => $d_decode->divisionInfo->id,
                                                'merchantName' => $m_decode->merchantInfo->name,
                                                'merchantUuid' => $m_decode->merchantInfo->id,
                                                'channelName' => $c_decode->channelInfo->name,
                                                'channelUuid' => $c_decode->channelInfo->channel,
                                                'channelLogin' => $c_decode->channelInfo->login,
                                                'channelPwd' => $c_decode->channelInfo->pwd));

        http_response_code(200);
    }
    catch(Exception $e) {
        Storage::put('webhook_errors.txt', Carbon::now('UTC')->toDateTimeString()."
".$e->getMessage()."

");
    }
});