UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PSFndNKbq+vOjLXDzyDvED0om3XilfNkydUz8u53RAE=' 
WHERE 
  key_id = '93013838493f50f3c8a2cc1b5f98c33e10581ef288b8187ac646d82f6f439f0b' 
  AND (
    token = 'PSFndNKbq+vOjLXDzyDvED0om3XilfNkydUz8u53RAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )