UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'inRgVW5wcaKy6Wk6wkyd+Ir92WBL4Jtf5PHmYEkr8sM=' 
WHERE 
  key_id = 'c4e6f929c7aec5d10d5fc29fb2bf0f51bc75f6d20c83832504a582484b47c2a2' 
  AND (
    token = 'inRgVW5wcaKy6Wk6wkyd+Ir92WBL4Jtf5PHmYEkr8sM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )