UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nrDxZiN/0weucWKtbzTWyfPnLUFBox3mIypJE8acAKo=' 
WHERE 
  key_id = '787f67070e9afc9b491338b2653369c3b97a178d6415776b681a14a5e89d5192' 
  AND (
    token = 'nrDxZiN/0weucWKtbzTWyfPnLUFBox3mIypJE8acAKo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )