UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '84hBIBrjrXvH0fb/QtwxdYE1pO2dAjTKNnxAaawVZ28=' 
WHERE 
  key_id = '4515791d28f8dca15454d5c05585a5a4e19a3ebdec282f0355e2038d5667a00d' 
  AND (
    token = '84hBIBrjrXvH0fb/QtwxdYE1pO2dAjTKNnxAaawVZ28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )