UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vd1qxASUyRwYW2yASlvWLFRwq0FX927+XgV0YaGNdVg=' 
WHERE 
  key_id = '2b4ccc792e208d94a05e240a266e13daa63fea07b242f9a85c0e018c1b164881' 
  AND (
    token = 'Vd1qxASUyRwYW2yASlvWLFRwq0FX927+XgV0YaGNdVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )