UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ulPO6fClQ8RFhvZIWtY0zkCFgNkcVxcVQVudYgdNfXU=' 
WHERE 
  key_id = '0876854b23a16cd61369933a9472c61498deec9e9e0df2d869105635fcd3a94f' 
  AND (
    token = 'ulPO6fClQ8RFhvZIWtY0zkCFgNkcVxcVQVudYgdNfXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )