SELECT GET_LOCK('3da7364b3dcd4a02c77b7423f591cf9d', 300) AS ci_session_lock
SELECT `data` FROM `ci_sessions` WHERE `id` = '3c570nq9ncht3nev3k3qmeskhpmqk68a'
DELETE FROM `ci_sessions` WHERE `id` = '3c570nq9ncht3nev3k3qmeskhpmqk68a'
SELECT RELEASE_LOCK('3da7364b3dcd4a02c77b7423f591cf9d') AS ci_session_lock