UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3zfFs2g2ippa0S8p5v/fj6k1EnXS4utenqwiW3cz7L8=' 
WHERE 
  key_id = '5f36f9fc604786bba75c72fed49eff67a33aea3888c9f19a023236d38442e7b0' 
  AND (
    token = '3zfFs2g2ippa0S8p5v/fj6k1EnXS4utenqwiW3cz7L8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )