UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cn7Sko1DgqyuWHju7mz/MYlbngd5x8iFTi3go+Vw8DY=' 
WHERE 
  key_id = '4c597e4fb0c6b9d4d02dd5037ebf0f11a8b8e570e0c08e99ffebb91d69bbe73b' 
  AND (
    token = 'cn7Sko1DgqyuWHju7mz/MYlbngd5x8iFTi3go+Vw8DY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )