UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IzhCYNQCtoeqrnu6nhSI9hnFdbPn6XzYUTmhObOohrU=' 
WHERE 
  key_id = '18f19747a5a86ece5a3942fd91a6278576407cedba702185c204a0b4f8840404' 
  AND (
    token = 'IzhCYNQCtoeqrnu6nhSI9hnFdbPn6XzYUTmhObOohrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )