hawese-core/database/migrations/2019_05_24_211222_create_tokens_table.php

<?php
// Copyright 2019 Hackware SpA <human@hackware.cl>
// "Hackware Web Services Core" is released under the MIT License terms.

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateTokensTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('tokens', function (Blueprint $table) {
            $table->string('key', 60)->primary();
            $table->string('secret', 120)->unique();
            $table->string('type', 10); // human | system
            $table->string('user_uid', 100);
            $table->foreign('user_uid')->references('uid')->on('users');
            $table->timestampTz('created_at');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('tokens');
    }
}