UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kqev9j6qg15fcA4KngK05xqF0pNavsezdmKYGgNc1/8=' 
WHERE 
  key_id = 'a79a760e516db2dd2556fc50c9395076a4a1e275853b73f3e1eb63238ea683ef' 
  AND (
    token = 'Kqev9j6qg15fcA4KngK05xqF0pNavsezdmKYGgNc1/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )