UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+AGwiDdURNAocCuPbI9IpmiQxPXNqLShXnIv0gzkb0s=' 
WHERE 
  key_id = '51eb70c8ea21167245f24af75e01aeffa73892247853d87365cc9e3959116022' 
  AND (
    token = '+AGwiDdURNAocCuPbI9IpmiQxPXNqLShXnIv0gzkb0s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )