UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5klqwORqFL0/b+KaaD2JFvygWaYKF9dqwA4EJW86uxI=' 
WHERE 
  key_id = '8a71f8fdea3a494428e6ff4e53571120932ac1fd7dc23f1dbd53035a1879ba35' 
  AND (
    token = '5klqwORqFL0/b+KaaD2JFvygWaYKF9dqwA4EJW86uxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )