UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCpjxog60mdy8sCr70BAD4ef2ZaiUCPK/ECm4/+7K+Y=' 
WHERE 
  key_id = '51fa4b167b13eeebb57732a218b04db0dc3da9b4d3df055389c88cca74544211' 
  AND (
    token = 'PCpjxog60mdy8sCr70BAD4ef2ZaiUCPK/ECm4/+7K+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )