UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2p/zcLMnw4TjMMvuprcy7bIZHPtelnC3ItTAFzVfxA=' 
WHERE 
  key_id = '97ade330007e10b2cf255d1068b9817098a3c50b24c9400a27e2fd04eca6f9f1' 
  AND (
    token = 'a2p/zcLMnw4TjMMvuprcy7bIZHPtelnC3ItTAFzVfxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )