UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRYRbYG7QpLY/H4jPoeu9MlTvSFLSUM7UcYvsZ0U8Yk=' 
WHERE 
  key_id = 'ed234696b8e0207aaee82357df43144e5273d6b915573be617302de3fac37075' 
  AND (
    token = 'MRYRbYG7QpLY/H4jPoeu9MlTvSFLSUM7UcYvsZ0U8Yk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )