select session_data from hywxkekq_Sessions where session_id = '21ff42437a984b01342e23670c529886'
insert into hywxkekq_Sessions (session_id, session_data, session_expiration) values ('21ff42437a984b01342e23670c529886', 'a:6:{s:8:\"calendar\";s:1:\"2\";s:1:\"y\";s:4:\"1864\";s:1:\"m\";s:2:\"10\";s:1:\"d\";s:2:\"13\";s:1:\"v\";s:1:\"m\";s:4:\"time\";d:-3320352000;}', '1754282624')