UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9ynh+sMXXl99ddYn8XAkckmTD4qGvkYGDdfiRoe9xaA=' 
WHERE 
  key_id = '51b286f3e48b9eeade104c1cce995c8b51f2f09bc6d193957322b6341ebc650f' 
  AND (
    token = '9ynh+sMXXl99ddYn8XAkckmTD4qGvkYGDdfiRoe9xaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )