UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iE0G/eLxY4wXVtocfmzOIPitdTkjg0gLgHqzjHmEwbs=' 
WHERE 
  key_id = '8512b0f313bf903a609f32ba417a0f88e01de6e6afb91db272d7823b8355a8ca' 
  AND (
    token = 'iE0G/eLxY4wXVtocfmzOIPitdTkjg0gLgHqzjHmEwbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )