UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nb3pBPdJpIB0VSEkzUrsvw2ymUlROuvDxeujHGYNKXk=' 
WHERE 
  key_id = '6d894b0844ebee8b87863f34d2bc83b4d66463099de50a298fe4b5ef988ac3df' 
  AND (
    token = 'nb3pBPdJpIB0VSEkzUrsvw2ymUlROuvDxeujHGYNKXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )