UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6QUw1/VdUrEkWGFecIBoQxEgFcyW043l9hWvWKnmk0=' 
WHERE 
  key_id = 'da4dc94d23fd541c4957674e902d07d75f62c434c7104dbabda4e55cabc5cfd3' 
  AND (
    token = '/6QUw1/VdUrEkWGFecIBoQxEgFcyW043l9hWvWKnmk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )