UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3isNUyg0CttrsHZt/V4GRDgcHmC3dUgQqC9PUru/k70=' 
WHERE 
  key_id = '414804bd817c70dbc18effa10619b013e85e23c86921685d7850a426f9a90fbd' 
  AND (
    token = '3isNUyg0CttrsHZt/V4GRDgcHmC3dUgQqC9PUru/k70=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )