Illuminate\Database\Eloquent\Builder::update PHP Method

    public function update(array $values)
    {
        return $this->toBase()->update($this->addUpdatedAtColumn($values));
    }

 /**
  * Add the restore extension to the builder.
  *
  * @param  \Illuminate\Database\Eloquent\Builder  $builder
  * @return void
  */
 protected function addRestore(Builder $builder)
 {
     $builder->macro('restore', function (Builder $builder) {
         $builder->withTrashed();
         return $builder->update([$builder->getModel()->getDeletedAtColumn() => 'publish']);
     });
 }