UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlMZPRKh+XyOV2pp1ScBbwoDXJ4gYHusgacxe3QpK68=' 
WHERE 
  key_id = '46f4781660fee177b13875a1e408f0cc9ae0d725630de4fd98e504858746a94b' 
  AND (
    token = 'zlMZPRKh+XyOV2pp1ScBbwoDXJ4gYHusgacxe3QpK68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )