UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xu9hZxv9mPq9m5goEmGHfOZmUp0F82ehk92vE2m4qWM=' 
WHERE 
  key_id = '6ce9a6375cd6316938468ccaee013b6cbdf7380c265a76b4acb77244c6178102' 
  AND (
    token = 'xu9hZxv9mPq9m5goEmGHfOZmUp0F82ehk92vE2m4qWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )