UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJJQWA8HGyVtMr7aUDzuExUyVv7Iy3mRJ/xRUI7VFnI=' 
WHERE 
  key_id = '259e67430a1b23aa65e75828954a988e8196337481a80f2951bba58856f9e375' 
  AND (
    token = 'PJJQWA8HGyVtMr7aUDzuExUyVv7Iy3mRJ/xRUI7VFnI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )