UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pM7eBAAxNXxCWgHNUl4o9ekM71Bl6hNaWQ4R/MdGibs=' 
WHERE 
  key_id = '839cd1c36815c1b28818e6cc7ff12fd05d2d97c09d78c276e6ceadf7041bb983' 
  AND (
    token = 'pM7eBAAxNXxCWgHNUl4o9ekM71Bl6hNaWQ4R/MdGibs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )