UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6jrG3tXwHlU+8gi6wgj299yyb4vYq4KP25mGHDbkEo8=' 
WHERE 
  key_id = '49d49c3579c291627dcece04e1e4a562b7f2022175afdc41dfc91519d2bbf7b1' 
  AND (
    token = '6jrG3tXwHlU+8gi6wgj299yyb4vYq4KP25mGHDbkEo8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )