UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cXaUtrAZ6V2tNxWVX7+Mdeg0Dh+uQ6d+SgKORkk33CA=' 
WHERE 
  key_id = '5f3bb97334a6f837925861855991e538bf891e5cb2d33c617e39f5a5c50ee7b4' 
  AND (
    token = 'cXaUtrAZ6V2tNxWVX7+Mdeg0Dh+uQ6d+SgKORkk33CA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )