UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6We9nS0DWHPuq66WWIJGpwBZoBCM0cipu7YRjssUGwE=' 
WHERE 
  key_id = 'a49e312ffdd27defd882bdebcebcd7a894e3e5cf03561401a4f4b3035413337c' 
  AND (
    token = '6We9nS0DWHPuq66WWIJGpwBZoBCM0cipu7YRjssUGwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )