UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rq+Z7PDYGjoXbRMiv6tOzyPGEoHOya21Y3KsVEBYDPM=' 
WHERE 
  key_id = 'a242ebea8f8e4629dcd0af820cd386065494c3123054139ab7b7c54a41be46ff' 
  AND (
    token = 'Rq+Z7PDYGjoXbRMiv6tOzyPGEoHOya21Y3KsVEBYDPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )