private function setSent($orderId, $sent)
    {
        //Getting connection
        $connection  = $this->_resource->getConnection();
        //Getting full table name
        $tableName = $this->_resource->getTableName('pagseguro_orders');
        //Update sales_order_grid query
        $mapsDeleteQuery = "UPDATE {$tableName} SET sent={$sent} WHERE order_id={$orderId}";
        $connection->query($mapsDeleteQuery);
    }