UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y6gT0Xc96ndhekqD5T224SFxbHvZtbSw09IFuWL4dFg=' 
WHERE 
  key_id = '6cdac0197e7ae7d50295ded7081ed325ad97ceaa3d54250348ece18abc0158f3' 
  AND (
    token = 'y6gT0Xc96ndhekqD5T224SFxbHvZtbSw09IFuWL4dFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )