UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lmuxTqFeS2Dgxx2yVKuxNybwmV5TXUlv2Pv6KGcvxug=' 
WHERE 
  key_id = '347394288300875038e44c3f4da8167c99480ff662959127e2cbe4edbc6a1a92' 
  AND (
    token = 'lmuxTqFeS2Dgxx2yVKuxNybwmV5TXUlv2Pv6KGcvxug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )