UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qUit9ZEsYnD1n8a5LxkVIfAXp3IEWufdltKrfm2HFU=' 
WHERE 
  key_id = 'a02555f8d25563ac0133f7d0718688db19c45feb68e36e8cac0225ac888c0d79' 
  AND (
    token = '6qUit9ZEsYnD1n8a5LxkVIfAXp3IEWufdltKrfm2HFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )