UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8URPrvoinDhwoTPAOc3hXb2wSiu7ztzutrxN7EbxgNE=' 
WHERE 
  key_id = 'c2f4a35396e94a4ef1fb3b56059125b711570a77524c7658d6f54676b64f832c' 
  AND (
    token = '8URPrvoinDhwoTPAOc3hXb2wSiu7ztzutrxN7EbxgNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )