UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g9z3gRtTmfNwmMFehmugfEAPfTzHvHsNdGppICdukpg=' 
WHERE 
  key_id = '6e02d5b55646f29707342cc236ca337f7d8b308ec22d2f751bd536bb2807dc8d' 
  AND (
    token = 'g9z3gRtTmfNwmMFehmugfEAPfTzHvHsNdGppICdukpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )