UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3C1/QFVVgZ13PHyfyI+C0OPh0ftlBqg2zv+3do15HOA=' 
WHERE 
  key_id = '591268c8eee7338c66f64084907a385ac4f702ef50414ea58cfe7df7bf1d772c' 
  AND (
    token = '3C1/QFVVgZ13PHyfyI+C0OPh0ftlBqg2zv+3do15HOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )