UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZKBvyEPPG84JEPnsNwLAT44h9tYuFvBmfXlTuizEfVg=' 
WHERE 
  key_id = '8b28b65e11d8cf8428592f76b375c8b704b948291e3da3e54587a407a11c5d88' 
  AND (
    token = 'ZKBvyEPPG84JEPnsNwLAT44h9tYuFvBmfXlTuizEfVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )