UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OBEqZbaWl0T8z0eGpiOxPnrnoXBFoQimNvJb9Wp1kyI=' 
WHERE 
  key_id = '851ef85791af06b6d1eb84ccd7adc46dc0c1e8aab1273e0d0cc886a164b202fc' 
  AND (
    token = 'OBEqZbaWl0T8z0eGpiOxPnrnoXBFoQimNvJb9Wp1kyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )