UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ikc5rnciAj5xkZmo7C9TXuUhXxnkqLwyoD9qXLugKK0=' 
WHERE 
  key_id = '4c4ec9a2386d60b527278fc7b0c415fee7581a4b1065408af3d9b3a68267b493' 
  AND (
    token = 'Ikc5rnciAj5xkZmo7C9TXuUhXxnkqLwyoD9qXLugKK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )