UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4b8zZZmehB5HcxkJmm9WgNaDt4k1+GNl34SivW0SnAI=' 
WHERE 
  key_id = '755195256ed765dd6728eac900be92865c6f2c1b5e22402a43ff6fa50621375b' 
  AND (
    token = '4b8zZZmehB5HcxkJmm9WgNaDt4k1+GNl34SivW0SnAI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )