UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkG8gLdIDT9V3vFoUekEc38clU08lwmCT3+dX5jIzCs=' 
WHERE 
  key_id = '77c1b6ac7111f3e07bbfe050868bf1e54d87b27f9a2127827c5c56c18c2a2e6b' 
  AND (
    token = 'gkG8gLdIDT9V3vFoUekEc38clU08lwmCT3+dX5jIzCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )