UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5NvQDNMaG23xEtohYFIu6e5c0yJqmZkitz8Hc6Q2YkM=' 
WHERE 
  key_id = '8ca20c996268c50c09c8143bb6ed71894571f34c67cb4918077a5ba9d0dad62d' 
  AND (
    token = '5NvQDNMaG23xEtohYFIu6e5c0yJqmZkitz8Hc6Q2YkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )