UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8X9K7GQLifkoTDkyCI8R/ntgPN+yW00GwGH29nNkz6U=' 
WHERE 
  key_id = 'c52f3702038db85f0daa2aafb0688f81a2757fd9690270ca897cc251da668f39' 
  AND (
    token = '8X9K7GQLifkoTDkyCI8R/ntgPN+yW00GwGH29nNkz6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )