UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ugYjPbysQhAvKcL8YIaKInPToEszJ9c5ko/JwaavOOU=' 
WHERE 
  key_id = 'a27b11ed61d317a60d1a9d85e48c38335f7e8031b852b4105bcfea79e18c6596' 
  AND (
    token = 'ugYjPbysQhAvKcL8YIaKInPToEszJ9c5ko/JwaavOOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )