UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T+SM0nuwYxh14yiMKgyAD5sDflq66B6o4K1GwS5hzWA=' 
WHERE 
  key_id = 'f1d93302442065da6fe992e325c971c934c5afb5d5a5193f1a75b504c6e6b268' 
  AND (
    token = 'T+SM0nuwYxh14yiMKgyAD5sDflq66B6o4K1GwS5hzWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )