UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8k/W9pZW9PMM7XeVtAHOkdau4n6OqX6vhPGmg+EhSkE=' 
WHERE 
  key_id = '3b751a7161179466ca68ea811eb9256ef4e411ff480f6b8aebf98d242cab5e38' 
  AND (
    token = '8k/W9pZW9PMM7XeVtAHOkdau4n6OqX6vhPGmg+EhSkE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )