UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LrNlNGn2lEs2nEZgJUKtDs6mcmXfrkHOlxetlbU/kLY=' 
WHERE 
  key_id = 'b2c1b23bd65953b0616b5b962aabb83a7f3536ce9331ae5d75c06fc4b7f7b73f' 
  AND (
    token = 'LrNlNGn2lEs2nEZgJUKtDs6mcmXfrkHOlxetlbU/kLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )