UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'un6S4RDCl6svhXUCnqEb+2a+bcYa3ESYYc1norlUIDs=' 
WHERE 
  key_id = 'd6e5475edaae18d888f23fa1a670d748e49852cc6990227221d76c9e0cb84dc1' 
  AND (
    token = 'un6S4RDCl6svhXUCnqEb+2a+bcYa3ESYYc1norlUIDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )