UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+iH4wEynCPkOElhfFRcu8WpVrDmJqU2H3t6vwskuZWA=' 
WHERE 
  key_id = '8a1281e46cad97885a5528f3e00b8a3bea8f6e0d12d9a0785b8fa36c5e535454' 
  AND (
    token = '+iH4wEynCPkOElhfFRcu8WpVrDmJqU2H3t6vwskuZWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )