UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lv9hq5YqfQbp5TvjxXbh9aoVCzMT9Y5hFmY50EPqtBI=' 
WHERE 
  key_id = '50e921b4fd8792d649d2ec5abc2baac77091b5f341fa633e498aaefe9bda2103' 
  AND (
    token = 'lv9hq5YqfQbp5TvjxXbh9aoVCzMT9Y5hFmY50EPqtBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )