UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Tt4vMTsLT7WZfsvVnm82umfSWpx5Rrj7tEnOdXLuCU=' 
WHERE 
  key_id = 'cd3af1de9167223896f98680eb53a9b07347956086eb57afa6b9d28972ba27d2' 
  AND (
    token = '6Tt4vMTsLT7WZfsvVnm82umfSWpx5Rrj7tEnOdXLuCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )