UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYxG+Y6oz0iOs7QvhwIWfsFKk1jqlwKvPaVta2mLVDY=' 
WHERE 
  key_id = 'a263947eab90cee1a5fcf080ad915daef40d0109d31b02fcb008122b24f9dde4' 
  AND (
    token = 'MYxG+Y6oz0iOs7QvhwIWfsFKk1jqlwKvPaVta2mLVDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )