UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VjHmqImShRW36J8kdYw4Y3FvTr5LT9WCxNN9iKLVNtQ=' 
WHERE 
  key_id = 'a79be13b16368521324535bd2331ea081c8727e051950a38b990e13fcab0b982' 
  AND (
    token = 'VjHmqImShRW36J8kdYw4Y3FvTr5LT9WCxNN9iKLVNtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )