UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tmZX+ZBudID5BnRmPo2yGRuFKbqF6kj9HUhBQEd9AIg=' 
WHERE 
  key_id = 'aa274032c254a6656a14d9fdfad9d395d7885e3d668b618a2c8c6c86131082e7' 
  AND (
    token = 'tmZX+ZBudID5BnRmPo2yGRuFKbqF6kj9HUhBQEd9AIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )