UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DY6z62rZV1ilu1pqdxD3q4kjJlcdUnU5dNtCXOLC38I=' 
WHERE 
  key_id = '4845171e028ab0cbfff6f068f873790484f791ac12963a180f0c5c47ebdf3209' 
  AND (
    token = 'DY6z62rZV1ilu1pqdxD3q4kjJlcdUnU5dNtCXOLC38I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )