select session_data from hywxkekq_Sessions where session_id = '21cd8d5ecdefb76d844b7c6a04ed2981'
insert into hywxkekq_Sessions (session_id, session_data, session_expiration) values ('21cd8d5ecdefb76d844b7c6a04ed2981', 'a:6:{s:8:\"calendar\";s:1:\"2\";s:1:\"y\";s:4:\"1848\";s:1:\"m\";s:1:\"3\";s:1:\"d\";s:2:\"29\";s:1:\"v\";s:1:\"m\";s:4:\"time\";d:-3842380800;}', '1751338930')