UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kARcV1Pn+7/uEn27hTsclDzKJUSOEEsgne6BgnsEPZs=' 
WHERE 
  key_id = '50999a1ded0725f97726fdfa12cf0f11cebf164bcc05b89169ab63360219a068' 
  AND (
    token = 'kARcV1Pn+7/uEn27hTsclDzKJUSOEEsgne6BgnsEPZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )