DELETE from sessions WHERE expiredt<(UNIX_TIMESTAMP()-10800)

CHECK TABLE sessions FAST QUICK

SELECT * FROM sessions WHERE sid='19ukj6e7i3dv7u4k7bgsk5cvku'

INSERT INTO sessions SET sid='19ukj6e7i3dv7u4k7bgsk5cvku', dt_in=NOW(), ip='44.200.169.48', host='', session_lng='rus', expiredt=(unix_timestamp()+10800)

SELECT * FROM sessions WHERE sid='19ukj6e7i3dv7u4k7bgsk5cvku'

update sessions set script_name='/printer.php' WHERE sid='19ukj6e7i3dv7u4k7bgsk5cvku'



select cat_id from www_tree where main_page=1