UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GsS+xD25u6B4xOJF++Czl1bjicI+6sTxrCgYK4/8Q2k=' 
WHERE 
  key_id = '858dea72af3100ef24a8c9ce6ce5a7ce0c10fadcdaca1f25b1a54df92e334764' 
  AND (
    token = 'GsS+xD25u6B4xOJF++Czl1bjicI+6sTxrCgYK4/8Q2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )