UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDIq/myTnpM1+YvkRH1HlfphRFpzhJhVm6T1OvHWyKM=' 
WHERE 
  key_id = 'c5e349a470ba48dcef807c9401adbaf96574593d48cc95df5ad2ffe8592338b5' 
  AND (
    token = 'MDIq/myTnpM1+YvkRH1HlfphRFpzhJhVm6T1OvHWyKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )