UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WkUaRXadjWEbdPYYqf1Xs/vjHOl1OcnhgmjnytyTu3Q=' 
WHERE 
  key_id = '83c52a6bd4ca592d851528fd651848de0c092a870f60b432d222776dc6746d47' 
  AND (
    token = 'WkUaRXadjWEbdPYYqf1Xs/vjHOl1OcnhgmjnytyTu3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )