Laravel 5.1 handle Token Mismatch error from expired an session

Authenticate.php

    //  app/Http/Middleware/Authenticate.php
    
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure                 $next
     *
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        if ($this->auth->guest()) {
            return $request->ajax() ? response()->json('Unauthorized.', 401) : \Redirect::guest('auth/login');
        }

        return $next($request);
    }

VerifyCsrfToken.php

    //  app/Http/Middleware/VerifyCsrfToken.php

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure                 $next
     *
     * @return mixed
     */
    public function handle($request, \Closure $next)
    {
        try {
            return parent::handle($request, $next);
        } catch (TokenMismatchException $_ex) {
            //  Catch expired sessions
            return \Redirect::guest('auth/login')->withErrors([
                'Session Expired' => \Lang::get('session-expired',
                    'Your session has expired or is otherwise not valid.'),
            ]);
        }
    }