UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yn5q9EpaSvgEutaQv3QeEEHLXIMQ6cg5PIixTUB4yuE=' 
WHERE 
  key_id = '76c00a9493418d136de2ece546e8c3945846ac25b527cf550eb8bb82887b31ed' 
  AND (
    token = 'yn5q9EpaSvgEutaQv3QeEEHLXIMQ6cg5PIixTUB4yuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )