UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VWdQi+RsprPbns0LMEqCqmJCqzVOXrwcs7SaG/Zum0U=' 
WHERE 
  key_id = '68550fe09f3ccf5af57e61b743683ab027f0eb9f3283bfbc572b9ed238fac0a3' 
  AND (
    token = 'VWdQi+RsprPbns0LMEqCqmJCqzVOXrwcs7SaG/Zum0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )