select session_data from hywxkekq_Sessions where session_id = 'a67f748d0f694372662eea9c1568df91'
delete from hywxkekq_Sessions where session_expiration < 1752556500
insert into hywxkekq_Sessions (session_id, session_data, session_expiration) values ('a67f748d0f694372662eea9c1568df91', 'a:6:{s:8:\"calendar\";s:1:\"2\";s:1:\"y\";s:4:\"2015\";s:1:\"m\";s:2:\"12\";s:1:\"d\";s:2:\"14\";s:1:\"v\";s:1:\"m\";s:4:\"time\";i:1450051200;}', '1752642900')