UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D8MyF26cTWQ1o7HpMbpMN0t7b8djH37ni73hGkZlEdY=' 
WHERE 
  key_id = 'a6e1fbb9409d9a032da30187399cbc1c2974c69acafd34c3bef2d122405f01e4' 
  AND (
    token = 'D8MyF26cTWQ1o7HpMbpMN0t7b8djH37ni73hGkZlEdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )