UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l6WXBKixMj6B0iYhjqu18H9GD9y6zu7PMiXVLM5w2OE=' 
WHERE 
  key_id = '2872d635f07530af1aea489f07d95e33ebcbdceb4e18a8459defa0f1937038bf' 
  AND (
    token = 'l6WXBKixMj6B0iYhjqu18H9GD9y6zu7PMiXVLM5w2OE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )