UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MKgwHAe9+IFcglMLBtyKKQ9Gwq7lc82NSJEi+dh4/U=' 
WHERE 
  key_id = '8b51322ba2b647175659e5745ff4caa777b06947856e9045b86ea348b927d83b' 
  AND (
    token = '6MKgwHAe9+IFcglMLBtyKKQ9Gwq7lc82NSJEi+dh4/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )