UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mBdiIJbprwoZvEA9z5U0AD9Ed7sxPRIJhKIXtmmKcGY=' 
WHERE 
  key_id = 'a9a47279dbf3f1f86f66ef299dd747cbc3fe0b4695ff09b3a18bf829ba275a78' 
  AND (
    token = 'mBdiIJbprwoZvEA9z5U0AD9Ed7sxPRIJhKIXtmmKcGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )