UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nh1fzV/XdgkXDEfIaDdnjrFSotnZV1pAUdxtYyJzeBw=' 
WHERE 
  key_id = 'e5c531af26cad6cd7df984852a9f2c04d0ab13fd244811569381e4fa46f1979f' 
  AND (
    token = 'nh1fzV/XdgkXDEfIaDdnjrFSotnZV1pAUdxtYyJzeBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037