UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K4ou5mo0P47pdrDZ/8qJ8M04rocUmexWY0viQcKG2uo=' 
WHERE 
  key_id = '54a6597004e6d82b36354db05061c83d18ec8cf62663d0440bced12a888bf893' 
  AND (
    token = 'K4ou5mo0P47pdrDZ/8qJ8M04rocUmexWY0viQcKG2uo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )