UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5/vsxg22HDl50gJuIhNiO5TkPyv6DSy4mwjP9iK9qso=' 
WHERE 
  key_id = '6c9738ab3feb05e799ee0faf2251bf3025094b5e27d07df1665f3af45061858d' 
  AND (
    token = '5/vsxg22HDl50gJuIhNiO5TkPyv6DSy4mwjP9iK9qso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )