UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWywbw7nn7//l96OkAYjzu7+v0WUF5wTdxm97B4DsvQ=' 
WHERE 
  key_id = '1eb829d3e72a04820d3427853bf60c0861b5219e46d2e700bd8f596394ea35c1' 
  AND (
    token = 'QWywbw7nn7//l96OkAYjzu7+v0WUF5wTdxm97B4DsvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )