UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQyLP7hWqIrDW40dJ32cgqQA7834rqvMUvQ503iaffU=' 
WHERE 
  key_id = 'a4cc262d41f969805c0dafbbde34150e9eb239b24256fc909fa84ebc931e4045' 
  AND (
    token = 'RQyLP7hWqIrDW40dJ32cgqQA7834rqvMUvQ503iaffU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )