UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gAOVvSum2Aa3UM2oryPgINTPpNmfpJGTlBVlKD+5pBo=' 
WHERE 
  key_id = '59f93086d67428079f503d652f51b1201b15a79dbe8757b467ffb738baa39c24' 
  AND (
    token = 'gAOVvSum2Aa3UM2oryPgINTPpNmfpJGTlBVlKD+5pBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )