UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yLfhEtATElNu2kM1wQZTKE3eZwQc5zw56EGzNoplBA=' 
WHERE 
  key_id = '831938f4d2df1072e132bddae48b471ed52ada0dccea9fc42dcb88151f238c72' 
  AND (
    token = '6yLfhEtATElNu2kM1wQZTKE3eZwQc5zw56EGzNoplBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )