UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C3aIIZNAp/SkVu3TnPYq1jNQNk3o9cHiGQUPEof1rug=' 
WHERE 
  key_id = '6c17df9b059eb67e782e0bde17603c250ff7a7e8b65c87dd709690705960028b' 
  AND (
    token = 'C3aIIZNAp/SkVu3TnPYq1jNQNk3o9cHiGQUPEof1rug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )