UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Ryw5Bnws63MVoB3qiIoWQHKFGjhVpnvY4YRLt/Zra0=' 
WHERE 
  key_id = '520bdec15c1e87fe31174826ab4d17513348bd0c79f050a61f39766c655fb478' 
  AND (
    token = '4Ryw5Bnws63MVoB3qiIoWQHKFGjhVpnvY4YRLt/Zra0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )