UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5GkTOYgkf4EZ/03vTIpfZGJB5vI0Jkuj6WAcWNQnzI=' 
WHERE 
  key_id = 'ba035c06f98732f71bcf64395923a50717c518459ae793039da36c442aa9a295' 
  AND (
    token = 'a5GkTOYgkf4EZ/03vTIpfZGJB5vI0Jkuj6WAcWNQnzI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )