UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdtjIjykvjMmNOwYC8VvMQ8zqrmhLaIVkYNzLQ7EdYY=' 
WHERE 
  key_id = '9b42cea5d13715cb2ca7cfcdd30c2e9b57ce6de6f199a730356a48ef92ba8a24' 
  AND (
    token = 'MdtjIjykvjMmNOwYC8VvMQ8zqrmhLaIVkYNzLQ7EdYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )