UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yiof1qWKe+GCGbxahdEkpFvwHzxHYb43mH4OKbUuRP0=' 
WHERE 
  key_id = 'aed56ead2b1ef38a22df47638c25d765727965c35a5875eb9c964341c131592f' 
  AND (
    token = 'yiof1qWKe+GCGbxahdEkpFvwHzxHYb43mH4OKbUuRP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )