update eloquent laravel 7 code example

Example 1: update query in laravel eloquent

$data = DB::table('cart')
                ->where('crt_id', $id)
               ->update(['crt_status' =>'0']);

Example 2: laravel update

<!-mass update-->
App\Models\Flight::where('active', 1)
          ->where('destination', 'San Diego')
          ->update(['delayed' => 1]);