UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'firxexWrmJFr2IHmjvz+bf2E0fzvWQWriaGKNtabbs0=' 
WHERE 
  key_id = '3605f02d276c0b3451a0b7cd8a91d55a2e5762c73b4dd2694403e2be8e3254b3' 
  AND (
    token = 'firxexWrmJFr2IHmjvz+bf2E0fzvWQWriaGKNtabbs0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )