CREATE TABLE `presale_config` ( `id` int AUTO_INCREMENT NOT NULL, `key` varchar(64) NOT NULL, `value` text NOT NULL, `label` varchar(128), `description` varchar(256), `type` varchar(32) DEFAULT 'text', `updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP, CONSTRAINT `presale_config_id` PRIMARY KEY(`id`), CONSTRAINT `presale_config_key_unique` UNIQUE(`key`) );