UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VvpeTZf8nhti/bt6gjosrnpofX2qGvGDeBOWXh4VHA0=' 
WHERE 
  key_id = 'a51b648230721a21cef72b72e3c6fe8b9ad559c221790956a02abea9f41ed08b' 
  AND (
    token = 'VvpeTZf8nhti/bt6gjosrnpofX2qGvGDeBOWXh4VHA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )