https://stackoverflow.com/questions/29115184/laravel-catch-tokenmismatchexception/29116516

At last 1 and 2.

APP\Exceptions\Handler.php```

namespace App\Exceptions;

use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
// use Illuminate\Session\TokenMismatchException;
use \Symfony\Component\HttpKernel\Exception\HttpException;
class Handler extends ExceptionHandler
{
/**
* A list of the exception types that are not reported.
*
* @var array
*/
protected $dontReport = [
//
];

/**  
 * A list of the inputs that are never flashed for validation exceptions.  
 *  
 * @var array  
 */  
protected $dontFlash = [  
    'password',  
    'password_confirmation',  
];  

/**  
 * Register the exception handling callbacks for the application.  
 *  
 * @return void  
 */  
public function register()  
{  
    //  
    $this->renderable(function (HttpException $e, $request) {  
        if ($e->getStatusCode() == 419) {  
            return redirect('/login');  
            // session erros Can not use ->with('419error','Your session expired due to inactivity. Please login again.')  
        }  
    });  
}

}