UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WzNx9AOHxnj3znlvfaQS+YQS5tyW8ya3IJ1a1NpUiig=' 
WHERE 
  key_id = '608af93bea917c4c72fe4583a5db042448ad283ea1661e7c82755ec81c66e280' 
  AND (
    token = 'WzNx9AOHxnj3znlvfaQS+YQS5tyW8ya3IJ1a1NpUiig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )