UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u1M2QgCJFj5xqmjDfIMq2p9WjTcw8EPCXMTMdOijaGQ=' 
WHERE 
  key_id = '946a992e42c1c39a8c5d2587b29340334b4bab1992c6fca6b4ec1570f069ea0f' 
  AND (
    token = 'u1M2QgCJFj5xqmjDfIMq2p9WjTcw8EPCXMTMdOijaGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )