UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xZghQi5u2pkvIUGAd9iUvQP9d9NpNuHIUQtKv5harxc=' 
WHERE 
  key_id = '734829814737e48e565f02753b4295a962f48baa8ba2facee668ceadb3a3d88b' 
  AND (
    token = 'xZghQi5u2pkvIUGAd9iUvQP9d9NpNuHIUQtKv5harxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )