UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50D5TR+6+xqTSsyE8NEpMejy5XNv0G04Z9B/5iMDsB8=' 
WHERE 
  key_id = '87d18b97f0bf7dce39f30b4fc8a79483dcebb144178f2275acbca83ba70e1388' 
  AND (
    token = '50D5TR+6+xqTSsyE8NEpMejy5XNv0G04Z9B/5iMDsB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )