UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MSX6uyUfzWayQcu2dVFYarONjIW7zGTuul3AUxyfP8I=' 
WHERE 
  key_id = '26e288e3a1136235b0ae3fb5f0ce7c355792392510e62125ea4f31cc3e6df026' 
  AND (
    token = 'MSX6uyUfzWayQcu2dVFYarONjIW7zGTuul3AUxyfP8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )