change insertQuery for PDO

--- Sample Change --- 
INSERT INTO `nv4_config`(`lang`, `module`, `config_name`, `config_value`) VALUES ([value-1],[value-2],[value-3],[value-4])

UPDATE `nv4_config` SET `lang`=[value-1],`module`=[value-2],`config_name`=[value-3],`config_value`=[value-4] WHERE 1

--- To --- 
INSERT INTO `nv4_config`(`lang`, `module`, `config_name`, `config_value`) VALUES (:lang,:module,:config_name,:config_value)

UPDATE `nv4_config` SET `lang` = :lang, `module` = :module, `config_name` = :config_name, `config_value` = :config_value WHERE 1