UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FArtooWAfz8wGsvrA2z2jCujoOBA1wYmGP/w81rZwMQ=' 
WHERE 
  key_id = 'ae42d30751caeb2eefe7839d19822e16283bcf4c3364b41cd324471285cdd842' 
  AND (
    token = 'FArtooWAfz8wGsvrA2z2jCujoOBA1wYmGP/w81rZwMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )