UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '19ZkInjM6dFUXXezYxaK8iHtqFihu3LOr94H66RaNBo=' 
WHERE 
  key_id = '4459b3898c41c7b859433fd244bc3880fc697d421814b245698f41116b2cad9b' 
  AND (
    token = '19ZkInjM6dFUXXezYxaK8iHtqFihu3LOr94H66RaNBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )