UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Khw5ztBnPhgI5LrbZpFpI3XEThK6QLyYgLFG89tPNZU=' 
WHERE 
  key_id = 'c495dacceb52ab5cb3940d9ad2d4467841ac409b767f9a982475c2b75c59cd07' 
  AND (
    token = 'Khw5ztBnPhgI5LrbZpFpI3XEThK6QLyYgLFG89tPNZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )