UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O7+8QCJj1vcw6jLew04CrfvaEgLw68TgKCU6DUXE2fc=' 
WHERE 
  key_id = 'e9daf8f862152fc15c6a3e3749370d6974fdf541097bc7a61e69b5a3ce2212c6' 
  AND (
    token = 'O7+8QCJj1vcw6jLew04CrfvaEgLw68TgKCU6DUXE2fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )