UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ue17Lg5xJmmK926xOIi6+WMKuOClHe5dP/NDzaaaugc=' 
WHERE 
  key_id = '136da8a6d417f930ac4b9abd54490ca10875658bbbb3bcfc330bb1abe797703c' 
  AND (
    token = 'ue17Lg5xJmmK926xOIi6+WMKuOClHe5dP/NDzaaaugc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )