UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WdKfshk9IEBlgA7XWwkXEtQgvv6/5Trz276rfp+7vps=' 
WHERE 
  key_id = '21dd69e1ffb30c3032d4f758fbdc343f73246c51a9cdd2ccfacabd8b89c1d13a' 
  AND (
    token = 'WdKfshk9IEBlgA7XWwkXEtQgvv6/5Trz276rfp+7vps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )