UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kZWT9L4Fev7w7pyuqEOXqgjTzkQMmHNPA5nFSlUsFqg=' 
WHERE 
  key_id = 'a8cd9ada2064a6b3814465fbc31ced55543d34e2fe4b96b9f24ce318e93b49c2' 
  AND (
    token = 'kZWT9L4Fev7w7pyuqEOXqgjTzkQMmHNPA5nFSlUsFqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )