UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wsTLpue0g9lznHZ92JWhmF2jzj7EfT72UVyUzwEnos=' 
WHERE 
  key_id = '9dd4de14fa55275027cfa8e4b6a56f7755fed716d7f2984a5ff3fda506988d48' 
  AND (
    token = '6wsTLpue0g9lznHZ92JWhmF2jzj7EfT72UVyUzwEnos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )