UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kr3iSx/M5mpSvLIJCDI8NcVsI/KxL3IvMEToYbeYFvc=' 
WHERE 
  key_id = 'e50869db83ce46601f59f4b6b22621cb545d251970796fc8a30a8fa34b980faa' 
  AND (
    token = 'kr3iSx/M5mpSvLIJCDI8NcVsI/KxL3IvMEToYbeYFvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )