SELECT GET_LOCK('d592e15fcf4b8b8862992bd15da04217', 300) AS ci_session_lock
SELECT `data` FROM `ci_sessions` WHERE `id` = 'kot16q946v8upop8qs0u4643pmpvrqdf'
DELETE FROM `ci_sessions` WHERE `id` = 'kot16q946v8upop8qs0u4643pmpvrqdf'
SELECT RELEASE_LOCK('d592e15fcf4b8b8862992bd15da04217') AS ci_session_lock