UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xdR47hZsonCPZ3rWSbe6Tcx0vEwaJEvgUaBJwNpqAk=' 
WHERE 
  key_id = 'dc9b01aca5b754ccfd8ed5f84536268dece2b23fb7210fac45343768acf829e9' 
  AND (
    token = '6xdR47hZsonCPZ3rWSbe6Tcx0vEwaJEvgUaBJwNpqAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )