UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y6dnPeVdeGsdLwmsm68Q30hF9B3V3oMz1QIjKeC4/Ws=' 
WHERE 
  key_id = '6c1636e8bd2b747753e1df757ebf2ada56749a9d694d5f8b8bbcb2f90687e890' 
  AND (
    token = 'Y6dnPeVdeGsdLwmsm68Q30hF9B3V3oMz1QIjKeC4/Ws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )