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`)
);
