$sslOption = null;
if(isset($dbConfig['options'][\PDO::MYSQL_ATTR_SSL_CA])) {
        $sslOption = new ClientTlsContext();
	$sslOption->withCaFile($dbConfig['options'][\PDO::MYSQL_ATTR_SSL_CA]);
}

$host = $dbConfig['host'];
$port = $dbConfig['port'];
$user = $dbConfig['username'];
$pass = $dbConfig['password'];
$db = $dbConfig['database'];
$timeout = $dbConfig['options'][\PDO::ATTR_TIMEOUT] ?? 30000;

$config = ConnectionConfig::parseConnectionString("host=$host:$port;user=$user;pass=$pass;db=$db", $sslOption)
					->withCharset($dbConfig['charset'], $dbConfig['collation']);
$pool = new Pool($config, self::DEFAULT_MAX_CONNECTIONS, new TimeoutConnector($timeout));

$pool->execute(<query>, <params>);