UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZpcO1ATZ+FcC5OhwGL9ovqD7rZvsFWrIBJUF2Mb9uEQ=' 
WHERE 
  key_id = '91a5ec032515a86bd630f9fdcc2f0c26fbeaeab7a2e9d33b635f58c461e1b610' 
  AND (
    token = 'ZpcO1ATZ+FcC5OhwGL9ovqD7rZvsFWrIBJUF2Mb9uEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )