UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I62/XMs68BChbcg6xNyAGnVGjVTkdGEnIrWYazGuPxY=' 
WHERE 
  key_id = 'ab1975050af1b66bf687f7f9c2766174976e7e41f893f066a0b98d529934b403' 
  AND (
    token = 'I62/XMs68BChbcg6xNyAGnVGjVTkdGEnIrWYazGuPxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )