UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qczqVXn5GN5ruMgqNFLGvXPR41J49ySzqBY04UIbrSo=' 
WHERE 
  key_id = '168d781417662d8a24fc7505380aa810e8951921f874155f2d1d1634926d1561' 
  AND (
    token = 'qczqVXn5GN5ruMgqNFLGvXPR41J49ySzqBY04UIbrSo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )