UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i1zWM40XwgEmOKLmn6k0lJIakY07DyVCqbwijkEkEig=' 
WHERE 
  key_id = '323234cd4f8b94eb21cc5f52f483916601beb8e290f5dfa7e0bb2b16e16798c4' 
  AND (
    token = 'i1zWM40XwgEmOKLmn6k0lJIakY07DyVCqbwijkEkEig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )