UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7KwCCdo2Ss7NQV9rCRGI0tGP35IrasDU0SYAHoXS8Sc=' 
WHERE 
  key_id = '12eb9ad9d734f76c963a9e31569f9e2215a860623b77f7279a63ea64de186cee' 
  AND (
    token = '7KwCCdo2Ss7NQV9rCRGI0tGP35IrasDU0SYAHoXS8Sc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )