UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3kmdaa0U9ffIa/cMjpve3QrlP9VG7QJh6T7H/QPB1Ng=' 
WHERE 
  key_id = '7e814dbf0f42801503a696f89a0fa427cf0da612b57ec6bdd86bedc5d647fc54' 
  AND (
    token = '3kmdaa0U9ffIa/cMjpve3QrlP9VG7QJh6T7H/QPB1Ng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )