Better handling of token mismatch errors

app/Exceptions/Handler.php

@@ -41,17 +41,22 @@ class Handler extends ExceptionHandler
     }
 
     /**
-     * Render an exception into an HTTP response.
-     *
-     * @param  \Illuminate\Http\Request  $request
-     * @param  \Exception  $exception
-     * @return \Illuminate\Http\Response
+     * @param \Illuminate\Http\Request $request
+     * @param Exception $exception
+     * @return \Illuminate\Http\RedirectResponse|\Symfony\Component\HttpFoundation\Response
+     * @throws Exception
      */
     public function render($request, Exception $exception)
     {
         if ($exception instanceof \Spatie\Permission\Exceptions\UnauthorizedException) {
             abort(401);
         }
+        if ($exception instanceof \Illuminate\Session\TokenMismatchException) {
+            return redirect()
+                ->back()
+                ->withInput($request->except(['password', 'password_confirmation']))
+                ->with('error', 'The form has expired due to inactivity. Please refresh the page and try again');
+        }
 
         return parent::render($request, $exception);
     }