UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cln4eXTTYcc8kmbEdDGhr/XopD5MRXUklf9JgHnYhGs=' 
WHERE 
  key_id = '81f2f2a77cdaf0ff35583e6b36ece1d9413b03d702c761bac2e2241d6edf100e' 
  AND (
    token = 'Cln4eXTTYcc8kmbEdDGhr/XopD5MRXUklf9JgHnYhGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )