UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wgaq4vJCIcC1gudnZijjc5q+xWdw3drqi4KuLM0y4uM=' 
WHERE 
  key_id = 'a99f984c915475c1fa3613d9089a041b0ec54518031274b765fdd66290de04df' 
  AND (
    token = 'wgaq4vJCIcC1gudnZijjc5q+xWdw3drqi4KuLM0y4uM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )