UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'esLcPNuLUWG1dEpvFBzz62P1ch/MFJtSJxjuyMAw42k=' 
WHERE 
  key_id = '256fb98544e54a509a5667118bba7151e887cd87de4a463c694ded2636a93e42' 
  AND (
    token = 'esLcPNuLUWG1dEpvFBzz62P1ch/MFJtSJxjuyMAw42k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )