UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gWneWeu1eCu9+ZmkYcstqaeECwWp/oVUl37pwPthE6w=' 
WHERE 
  key_id = '79b44b0016283f0c2b00e2ed446fc959e4d71bc553b4ddc6bc521671cbd616a3' 
  AND (
    token = 'gWneWeu1eCu9+ZmkYcstqaeECwWp/oVUl37pwPthE6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )