UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6DNZHM2fbL5uBpGydIitpm59dVXWXzKtUvfDdpef4o=' 
WHERE 
  key_id = '6696e867e81d35c6bf1142d5138daf2ec1197e18a6ea247e33999d8a8ebf60de' 
  AND (
    token = 'm6DNZHM2fbL5uBpGydIitpm59dVXWXzKtUvfDdpef4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )