UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M4D1gHqu16bcekAP7Kx9ERadOAoAqhRqxpDBrkpOelk=' 
WHERE 
  key_id = '93eaef2d537a12640c3489c89046109698c1a9177502ee9ac666f521b06b3bea' 
  AND (
    token = 'M4D1gHqu16bcekAP7Kx9ERadOAoAqhRqxpDBrkpOelk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )