UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y5nd2ES20Jm9Vr/9KFndPFmeG32g4SPj6S4pYxP1xfc=' 
WHERE 
  key_id = 'fd39446a4f54c5abb980eb4d2e6a7a78bcd3f1089592298f015b2fc44468894a' 
  AND (
    token = 'Y5nd2ES20Jm9Vr/9KFndPFmeG32g4SPj6S4pYxP1xfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )