建表语句
CREATE TABLE `am_token` ( `id` varchar(36) NOT NULL, `expires` datetime NOT NULL, `token_data` text, `is_valid` char(1) NOT NULL COMMENT '0已失效 1有效', `uid` varchar(36) NOT NULL, `issued_at` datetime NOT NULL, `vdc_id` varchar(36) DEFAULT NULL, PRIMARY KEY (`id`), KEY `uid` (`uid`) USING BTREE ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
`expires` datetime NOT NULL,
一条delete语句
delete from am_token where is_valid='0' or expires <NOW();
expires <NOW()
一条select语句