UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYz/SSvb2pwnbNI2pukgLAlBKniWN0a4fJ5RkiNqOMA=' 
WHERE 
  key_id = '7262b90374ec194b1922a9fd3e8302fd7877f496ad7a0ebce9b2d6c6b309beca' 
  AND (
    token = 'MYz/SSvb2pwnbNI2pukgLAlBKniWN0a4fJ5RkiNqOMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )