UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w27xVoPty5ptWddXrQKt458FKqxY/frgQMVkt/Tjbcg=' 
WHERE 
  key_id = '8c8d435d0b36a0493400cc2b82aea26982ef3693b5bae5234035091adc34f2c2' 
  AND (
    token = 'w27xVoPty5ptWddXrQKt458FKqxY/frgQMVkt/Tjbcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )