UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6uU+LjNupoyrUeDPpJrpuxdPYWelE1twXEw1fa6mH0=' 
WHERE 
  key_id = '6e54a5e714b90114ea86c7859f09bb6931df7d20af936304ad151657af005b58' 
  AND (
    token = 'g6uU+LjNupoyrUeDPpJrpuxdPYWelE1twXEw1fa6mH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )