UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kshf+XADyYRmx0Bh9wX2+4miXg87eWQpYTs4a+AiJDU=' 
WHERE 
  key_id = '9835b3b54b8589b9931af230077226738946b363a240d77990e05a1e35a6a900' 
  AND (
    token = 'Kshf+XADyYRmx0Bh9wX2+4miXg87eWQpYTs4a+AiJDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )