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

CHECK TABLE sessions FAST QUICK

SELECT * FROM sessions WHERE sid='7n91cnh3dg5c7gsa2fo6k6dhl3'

INSERT INTO sessions SET sid='7n91cnh3dg5c7gsa2fo6k6dhl3', dt_in=NOW(), ip='3.218.247.159', host='', session_lng='rus', expiredt=(unix_timestamp()+10800)

SELECT * FROM sessions WHERE sid='7n91cnh3dg5c7gsa2fo6k6dhl3'

update sessions set script_name='/printer.php' WHERE sid='7n91cnh3dg5c7gsa2fo6k6dhl3'



select cat_id from www_tree where main_page=1