UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't8e2klMCqUijusxJ1NaqP7TFiBM27jq1owahgSeAFFo=' 
WHERE 
  key_id = '49fc7b5a9fdd8b361fe0a58189088c44b5b8c5fd1ed2e1f55cf0ea85c1aad44a' 
  AND (
    token = 't8e2klMCqUijusxJ1NaqP7TFiBM27jq1owahgSeAFFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )