UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ErpdlWJm0sLaqPewojyo6HseG2qi9AyeoCZb5uxi4wY=' 
WHERE 
  key_id = '66d60600bb12135eb4f912b65fd5304c25614a9763d66984618450ed35c8b761' 
  AND (
    token = 'ErpdlWJm0sLaqPewojyo6HseG2qi9AyeoCZb5uxi4wY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )