UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HZEPmbJy6KerfcUxgl1tbjvNFEZyo/ChvajYsnkf3Qs=' 
WHERE 
  key_id = '300471ec0523a46c48555738ad48a879c0cd417339e58319a6007f64dbb369a0' 
  AND (
    token = 'HZEPmbJy6KerfcUxgl1tbjvNFEZyo/ChvajYsnkf3Qs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )