UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bn3JKI5152YZHkG1rTDs8IcRIIG1Jwt7N1UOMOQJmZY=' 
WHERE 
  key_id = '785c8b8f331a76de33b1c16048c3e43e85d537c75c9f4e68fe6ee37e3938dc59' 
  AND (
    token = 'bn3JKI5152YZHkG1rTDs8IcRIIG1Jwt7N1UOMOQJmZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )