UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/uY5TwDwcqJMu9LiawBpiTnRv/O/1qCqORu8vl/i3Cs=' 
WHERE 
  key_id = 'e7bfd1966cfd02843f7fe7bebf6fd18b95d19664543e5409dc965d4913e55c86' 
  AND (
    token = '/uY5TwDwcqJMu9LiawBpiTnRv/O/1qCqORu8vl/i3Cs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )