UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hYtTJLA2DrwTWxbz9sHx63AH6YS65FSmphX0jnR3EfA=' 
WHERE 
  key_id = '344735898d7d58c9d2beea3be686cfd7934895542db962092c702292df34eff6' 
  AND (
    token = 'hYtTJLA2DrwTWxbz9sHx63AH6YS65FSmphX0jnR3EfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )