<?php

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

class AddLastVisitToUsersTable extends Migration
{

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		Schema::table('users', function (Blueprint $table) {
			$table->timestamp('last_visit');
		});
	}

	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
		Schema::table('users', function (Blueprint $table) {
			$table->dropColumn('last_visit');
		});
	}

}

<?php

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

class AddLastVisitToUsersTable extends Migration
{

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		Schema::table('users', function (Blueprint $table) {
			$table->timestamp('last_visit')->nullable();
		});
	}

	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
		Schema::table('users', function (Blueprint $table) {
			$table->dropColumn('last_visit');
		});
	}

}

Fix for timestamps on MySQL
Fix for timestamps on MySQL
