UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Grm5i28Hq+6auBvFsB+udgZ9yMIzYceT6uNEvYLg4f0=' 
WHERE 
  key_id = '534f79ee115b850312655cb1b22083b6a4f7bd49e316fdb86bc84d4b63794a67' 
  AND (
    token = 'Grm5i28Hq+6auBvFsB+udgZ9yMIzYceT6uNEvYLg4f0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )