UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YYtXreziqfjXFWgrLEmja2wFs+jIa/Xh9NCS3uT8C2E=' 
WHERE 
  key_id = '15b6425f62caac8e7eaf2651fa8aa399183d7a18eaafde459ee80203989fb678' 
  AND (
    token = 'YYtXreziqfjXFWgrLEmja2wFs+jIa/Xh9NCS3uT8C2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )