UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TGRAJVu4JH/HI7AjS9XGksSgdFfUzXZAJynZBDaYDVY=' 
WHERE 
  key_id = '326a836778fd2902499ea3f9af58e0ebfc32a5cafdb9e0db569f36270d753e88' 
  AND (
    token = 'TGRAJVu4JH/HI7AjS9XGksSgdFfUzXZAJynZBDaYDVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )