UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NRbwI7PfoqCdm9JpmATUEtVIKesO8gd3CVx7jwO0DfI=' 
WHERE 
  key_id = '6bcd4be7e35071762290ec0186ed0412c709c5a55dac30de313f515d93be66b3' 
  AND (
    token = 'NRbwI7PfoqCdm9JpmATUEtVIKesO8gd3CVx7jwO0DfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )