UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6rUrDuV8TUFVNbGWjTzyEw9UGiSX1ELtA6lkHD6Gilo=' 
WHERE 
  key_id = '1439c7a19a64c5223dd7341064d2fbbace359f138b305a5d0b58799b22994455' 
  AND (
    token = '6rUrDuV8TUFVNbGWjTzyEw9UGiSX1ELtA6lkHD6Gilo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )