UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8T34yw56mmPJBbPoEFrvPQYFk7LsQdHJEPzpbPwmaI=' 
WHERE 
  key_id = '2842f04e678f3cef44c71826dc1dc343adef473233dce10687fa2fdf21e02d34' 
  AND (
    token = 'g8T34yw56mmPJBbPoEFrvPQYFk7LsQdHJEPzpbPwmaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )