UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0CH4gWEml0CeBMH85WhXWeBIHQJZVbkTFSSv5+fiKUM=' 
WHERE 
  key_id = 'db68d34491a4b95a570cbb33a3a9ec4c66b14212be2cbae14f64e098e1a94a97' 
  AND (
    token = '0CH4gWEml0CeBMH85WhXWeBIHQJZVbkTFSSv5+fiKUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )