UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Mwu0Z+hSIvXQskogoCyu9+wfJPlD7EOXH9jE0wlFNUQ=' 
WHERE 
  key_id = '90d831cb7dcfb998f2243b7883d066c05729d1df97072a05e258562434d02922' 
  AND (
    token = 'Mwu0Z+hSIvXQskogoCyu9+wfJPlD7EOXH9jE0wlFNUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )