UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UDB7GueHjkAgWCsh35Bqy5456IR+bCa8ORumhKTj3HE=' 
WHERE 
  key_id = '4281ddf8fbc9508793cdceaa07f56186dfc2e8c3d48bf6934f7dcba42d7efe26' 
  AND (
    token = 'UDB7GueHjkAgWCsh35Bqy5456IR+bCa8ORumhKTj3HE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )