UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B7NLRLCWi9ZepuSlfUKRG1+Phixo+2S2WcJo9CJ045o=' 
WHERE 
  key_id = 'c51419e31c418a10a367f572e4335c78fc553d104973cb64f7591126b3cd1677' 
  AND (
    token = 'B7NLRLCWi9ZepuSlfUKRG1+Phixo+2S2WcJo9CJ045o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )