UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/uXvKpLZG9EVu4byXO7CepiqURa6UUfIYwaalkupBKI=' 
WHERE 
  key_id = '77b6d0a10964c817be3d8fef775a1693b0a4682141d94d77be2fb5ce1b5e644c' 
  AND (
    token = '/uXvKpLZG9EVu4byXO7CepiqURa6UUfIYwaalkupBKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )