UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKYwkGSlEYhHDn9p5zW9TOwUPPd1qFbN6BKy//+9Aak=' 
WHERE 
  key_id = '1fa7a0cb6e3cab98b8a35379f92a5b276a587b4eb27d974d12b500b8b6744544' 
  AND (
    token = 'MKYwkGSlEYhHDn9p5zW9TOwUPPd1qFbN6BKy//+9Aak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )