UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rq9cY4Q3ywXVYlnnHii67zw9DUIpUYXOfbDYD9EzrbA=' 
WHERE 
  key_id = '50e0a34cd466efd82f55a7d23b882d2bb998ad6b26b7abe638de5fd7232e84c8' 
  AND (
    token = 'rq9cY4Q3ywXVYlnnHii67zw9DUIpUYXOfbDYD9EzrbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )