UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G50xrnq2vVKh0r9XJX1FLxURvt9cLhqPMUrXd7JwQg0=' 
WHERE 
  key_id = '1e33d3229e22cfd8a54c1d32c24a83776d4ce1ecf063311a57a6043f813aabcf' 
  AND (
    token = 'G50xrnq2vVKh0r9XJX1FLxURvt9cLhqPMUrXd7JwQg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )