UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KsMC4bYpaXyrTYlSB9V9/niEIyKTAQ6IceCElHihrbY=' 
WHERE 
  key_id = 'bac2d884fab3224a871891436b172a1f855af13e0cd056cc8fa75f9ed76d265f' 
  AND (
    token = 'KsMC4bYpaXyrTYlSB9V9/niEIyKTAQ6IceCElHihrbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )