UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zcRNh7j0bUWNoh9UA0zWVIe8NaWG11n1jB9v+OBIERA=' 
WHERE 
  key_id = '38d03f66960b5ff5784faa70a05bf2094a60b84d222075feb6046c79647edce5' 
  AND (
    token = 'zcRNh7j0bUWNoh9UA0zWVIe8NaWG11n1jB9v+OBIERA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )