UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uD9bhgmtUGMdvAYAZRpCKGotyCNW5GX++IkRG48mb5E=' 
WHERE 
  key_id = '6784477f0b135591efad9bd82f9c128e3302734ac6b4e65f943756339620f40c' 
  AND (
    token = 'uD9bhgmtUGMdvAYAZRpCKGotyCNW5GX++IkRG48mb5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )