UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'whdVoXKJMg5YM1qRFlQekyPEdK/ORRLMKkeVzzIqJD0=' 
WHERE 
  key_id = '81e568c0b92a9447601410cec7f82b1764386dcfa3b9a2665abbdc17d8b64e6e' 
  AND (
    token = 'whdVoXKJMg5YM1qRFlQekyPEdK/ORRLMKkeVzzIqJD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )