public function deleteCard($addressBookId, $cardUri)
    {
        $stmt = $this->pdo->prepare('DELETE FROM '.$this->cardsTableName.' WHERE addressbookid = ? AND uri = ?');
        $stmt->execute([$addressBookId, $cardUri]);

        $this->addChange($addressBookId, $cardUri, 3);

        return 1 === $stmt->rowCount();
    }