UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pI764bQ+far5UAspt7c8RgP6VCIDEVAq2rP0+TkCeTs=' 
WHERE 
  key_id = 'fe45d1ded09f4ab098e8fa327514dc393bf60e802e39e9c8301a2fa344f32321' 
  AND (
    token = 'pI764bQ+far5UAspt7c8RgP6VCIDEVAq2rP0+TkCeTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )