UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P/jx5pVCx5Lh2YxZViwa6CX5ot8RqVKhPbpmZBISiLg=' 
WHERE 
  key_id = '539fd8870a53061b5bf754856850a2e60c971cbe48536a681920e59c64d20fc4' 
  AND (
    token = 'P/jx5pVCx5Lh2YxZViwa6CX5ot8RqVKhPbpmZBISiLg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )