UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bmpXhuL7rDjG7ubOLHZnNZZsayYZ7PdNhO60wcUqGYA=' 
WHERE 
  key_id = '6fefcc00914861d8aac03798b71c9a88fac0e9a8e07f382d2572956fb16db3a8' 
  AND (
    token = 'bmpXhuL7rDjG7ubOLHZnNZZsayYZ7PdNhO60wcUqGYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )