UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83461YyAG1H7n7eD6Zx3l7Vjrqo5rZL+aOtDO97ncaw=' 
WHERE 
  key_id = 'b4751074fe69e147c9b9cdb50583b2d0402cc324275a112d8080a7b68b697434' 
  AND (
    token = '83461YyAG1H7n7eD6Zx3l7Vjrqo5rZL+aOtDO97ncaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )