UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mw3KvbqyicX1d6DusIct5c3tcXzstUS2XiCNE4feOIA=' 
WHERE 
  key_id = '785788976bb90407afff66f11ebf4cd233153b59eec8aa10946f4fcb629a6dbc' 
  AND (
    token = 'Mw3KvbqyicX1d6DusIct5c3tcXzstUS2XiCNE4feOIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )