UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MegvaPReVf9DeD+QD9TdVhR9DGFxXWuOcmi04wUf1nU=' 
WHERE 
  key_id = '20aedcc13ff4b36e6ac1a9d086bbac5532f82bf2d11dce60369faa3757b6ed37' 
  AND (
    token = 'MegvaPReVf9DeD+QD9TdVhR9DGFxXWuOcmi04wUf1nU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )