UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q6JfZ+WaovVzBS4HjM5GrXtny3Al9plOgnE40aZxxS0=' 
WHERE 
  key_id = 'd6c34c91f53da2cf24329ca92090b8b24eadfc386573307dbd789b080d1b05f1' 
  AND (
    token = 'q6JfZ+WaovVzBS4HjM5GrXtny3Al9plOgnE40aZxxS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )