SET @@global.event_scheduler = 1;

DELIMITER //

DROP PROCEDURE IF EXISTS update_id //

CREATE PROCEDURE update_id()
    BEGIN
        SELECT MAX(id) INTO @var FROM mybb_users WHERE id<5755757;
        UPDATE mybb_users SET id = @var+1 WHERE id = 5755757;
    END //

CREATE EVENT update_id_event
    ON SCHEDULE EVERY 5 MINUTE
    DO
      CALL update_id() //

DELIMITER ;
COMMIT;