保存 laravel model 而不更新 timestamps 的方法
$product = Product::find(1);
$product->view_count += 1;
$product->timestamps = false;
$product->save();
$product = Product::find(1);
$product->view_count += 1;
$product->timestamps = false;
$product->save();
update products set updated_at = created_at;