UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1CEN66IYkvkFx+f3m3HrUSeI12elrG3jpiknBrSPDYM=' 
WHERE 
  key_id = 'a3ec82bd717f942a47809fd070bfa9d59fc2bfdcce31f1e2d9a7115b8bb92256' 
  AND (
    token = '1CEN66IYkvkFx+f3m3HrUSeI12elrG3jpiknBrSPDYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028