UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5l58/ByV/u9H3cydiZZWJk9yt2e76rmvY8sHFbA8TYo=' 
WHERE 
  key_id = '7e230d5d6a517c57d2657844dd42af7b00d9b4dde4794ed77aafbca2e1f84a37' 
  AND (
    token = '5l58/ByV/u9H3cydiZZWJk9yt2e76rmvY8sHFbA8TYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )