UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ty2L5dsr5949KlFLIcfRKVtV0F112Amicdk5hVAdUDE=' 
WHERE 
  key_id = '247883b13fef99f6bc0f241b2a0bb04d767cff0602aeea80978b5e3c7421c3d4' 
  AND (
    token = 'Ty2L5dsr5949KlFLIcfRKVtV0F112Amicdk5hVAdUDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )