UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLJu5npuClv8Yl5BD25Bn4LBklaCJQUixtLqPi+Al8c=' 
WHERE 
  key_id = '31a692d87b8b4b50df3e64c2132ac3b676a511eb4f0eabaa6c3487615e85cf36' 
  AND (
    token = 'MLJu5npuClv8Yl5BD25Bn4LBklaCJQUixtLqPi+Al8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )