UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+WudZ/w8TZfxJHFprjgd7CNrU72ojF9a+J/JwTFYdrM=' 
WHERE 
  key_id = '4a39141b48385e882e131aef3d1680e5ceeaf5b25062c27c9b931b6fdfff21e9' 
  AND (
    token = '+WudZ/w8TZfxJHFprjgd7CNrU72ojF9a+J/JwTFYdrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )