UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RFGWWl0G7pQb7waMBJ4FS8IWfGbVIwnMSBrbjj+vhZc=' 
WHERE 
  key_id = '91f745592310a9b8f09022ce4913e06a197e2bf665019cf3ca7ac8deb2992a20' 
  AND (
    token = 'RFGWWl0G7pQb7waMBJ4FS8IWfGbVIwnMSBrbjj+vhZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )