UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yx/ExWH1tOIr0AW3bCwjrXIjFCa5FNnCRebPFuNgrw0=' 
WHERE 
  key_id = '6d835819373498ba3a3706cb779da263cc1ea83b9d512e3854bc2ed75ae009d8' 
  AND (
    token = 'Yx/ExWH1tOIr0AW3bCwjrXIjFCa5FNnCRebPFuNgrw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )