UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TNfBE4ij7k3Sj9jZSkQN3S+lah1sYjMOd9eL8ashuVY=' 
WHERE 
  key_id = 'c8e38a24baf9cafa153ac56a43f7f0fb907689d56a783bb42347e986aae0f139' 
  AND (
    token = 'TNfBE4ij7k3Sj9jZSkQN3S+lah1sYjMOd9eL8ashuVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )