UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WJD+A7YMhFUYIKVX5rq/JzGgNyeIPzpZCQpIHTCKwX4=' 
WHERE 
  key_id = '021ac58d1b832c6875d3e31fa9d625f6fbec2a9f57e8ba2698519d71673d16f5' 
  AND (
    token = 'WJD+A7YMhFUYIKVX5rq/JzGgNyeIPzpZCQpIHTCKwX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019