UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3fIgA8TWF+2dpEz7tz5W1TBzgF1lUif1rQ4/6wXM9cU=' 
WHERE 
  key_id = 'd8051601e1c5d2befb7d68a1d547f8e729692ef508dc9ab5929ba56747470a91' 
  AND (
    token = '3fIgA8TWF+2dpEz7tz5W1TBzgF1lUif1rQ4/6wXM9cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )