UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'diElRKH+S1j3Kr2uO7fEe5ZcSCndpZvDKNx2SiaXOkU=' 
WHERE 
  key_id = '8a0cb9c0b199f2bf547e8fafd65809b9135f8fa6436ff62047245d976b6abacd' 
  AND (
    token = 'diElRKH+S1j3Kr2uO7fEe5ZcSCndpZvDKNx2SiaXOkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )