UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxjLhZyLTvEzxHwpamyK8yyxhlDbbDjgeVDfHsYTsLE=' 
WHERE 
  key_id = 'c3cb012e5ed133940a5ad11e0709c69b0249f5ea1a10958899da06021b5ccb80' 
  AND (
    token = 'kxjLhZyLTvEzxHwpamyK8yyxhlDbbDjgeVDfHsYTsLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )