UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2xa8JvfWKm+hTP9LjPWSMzhUSgOCNoixZWeEvHeE9DQ=' 
WHERE 
  key_id = 'a4d885694832307908bb3fd880e5d63299a630be698e33ac0fbfe0438bb35cee' 
  AND (
    token = '2xa8JvfWKm+hTP9LjPWSMzhUSgOCNoixZWeEvHeE9DQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )