UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '44kPGL+Uae1ZZ06Ou18HOi4ECVwLxhQ7WUMtXcbh3ic=' 
WHERE 
  key_id = 'd8f05fccabe917e19dddf12e423d4b96753bf57dfb24de8d33e825cb7d1b7336' 
  AND (
    token = '44kPGL+Uae1ZZ06Ou18HOi4ECVwLxhQ7WUMtXcbh3ic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )