UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/d9JSguoqdcvAv6NatWGYxVdCaScZaZBrIzMg6qT8Q=' 
WHERE 
  key_id = '2a80a5b7a48b0de5656f528dd168e4499c96be9da018e3c3046fa936e3938532' 
  AND (
    token = 'r/d9JSguoqdcvAv6NatWGYxVdCaScZaZBrIzMg6qT8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )