UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WdJwK3VbqT57S6NEWzRvdXFmMI89RTXmEj/8ZVamzVE=' 
WHERE 
  key_id = '3d176b311908c4b7e7a251c8d2a97261ac659182a0e838fb6120e3c308658603' 
  AND (
    token = 'WdJwK3VbqT57S6NEWzRvdXFmMI89RTXmEj/8ZVamzVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )