ALTER TABLE `site_settings`
    ADD COLUMN `creditsafe_username` VARCHAR(50) NOT NULL,
    ADD COLUMN `creditsafe_password` VARCHAR(50) NOT NULL;

UPDATE `site_settings` SET `creditsafe_username`='Credebtexchangetest' WHERE  `site_setting_id`=1;
UPDATE `site_settings` SET `creditsafe_password`='Credebtexchange723651' WHERE  `site_setting_id`=1;

ALTER TABLE `site_settings`
    ADD COLUMN `creditsafe_islive` TINYINT NOT NULL DEFAULT '0' AFTER `creditsafe_password`;