UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6TwyEUugiclU0beUGjgjBfk33DMxnG/QyA1QWwDZYg=' 
WHERE 
  key_id = '93ce93b734897c93c61b2927d57cdaf1680fcf79cc5ae42b725e1020c86df92c' 
  AND (
    token = 'U6TwyEUugiclU0beUGjgjBfk33DMxnG/QyA1QWwDZYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )