UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3UOyJKlnWfIP7RCOWM/wuVip5R0EUA/KYdzxJVuXcts=' 
WHERE 
  key_id = '4a781cf520b8c9d694303863142aa8fa5cca71fd4122e75ae2798f134b36cd66' 
  AND (
    token = '3UOyJKlnWfIP7RCOWM/wuVip5R0EUA/KYdzxJVuXcts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )