UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'poR8Or7QkyqjPnji2S6kymY8sapznvYkx7yvUg1Nm7o=' 
WHERE 
  key_id = '383a9f4d9f975eb24b7ddb069f7b1453fca7718a7296f156f11b7fb9908662b6' 
  AND (
    token = 'poR8Or7QkyqjPnji2S6kymY8sapznvYkx7yvUg1Nm7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )