UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6LKkxpS9yEr2db+6nAQ3uenzNUyGCH0vj2u73ohrMcU=' 
WHERE 
  key_id = '47ebf3460c389bb9418f72586aec19f69bb099d8a59afb0a3e5537555697ae61' 
  AND (
    token = '6LKkxpS9yEr2db+6nAQ3uenzNUyGCH0vj2u73ohrMcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )