UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z327xf3WDzdY2hD3twDCQlXltrAxmyQgDYH7yh7OiuQ=' 
WHERE 
  key_id = '74210e518998c05e99f821eb13fbc7c36e776052a8df031a80eac3e76e75ddd2' 
  AND (
    token = 'z327xf3WDzdY2hD3twDCQlXltrAxmyQgDYH7yh7OiuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )