UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QrzrHtYm1gBrMilC0NTeg7UerF0UNiJq6FPA2ferUMY=' 
WHERE 
  key_id = 'c4251d59c13901195db95f885b1b6e7551b968cf98efa7bba6e323b74f910d16' 
  AND (
    token = 'QrzrHtYm1gBrMilC0NTeg7UerF0UNiJq6FPA2ferUMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )