UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TT8QEVhDkwmhmzhu2fuEcMT6nqgwgS4NZqdYRPPjcmI=' 
WHERE 
  key_id = '7c3de98f54add7f1d84dce2c2839fea58c188960821e37fe5c6421a00fb2aed1' 
  AND (
    token = 'TT8QEVhDkwmhmzhu2fuEcMT6nqgwgS4NZqdYRPPjcmI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )