UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2+pV15STjiAsIVtEQSRmo7kEsR+zLVdBHN5UVdg6kc=' 
WHERE 
  key_id = '98a696e38dad61b69d19869c15d55a89adde11427c42ce85cf6b17229ef5ea9c' 
  AND (
    token = 'a2+pV15STjiAsIVtEQSRmo7kEsR+zLVdBHN5UVdg6kc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )