UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LMKgn7j5Hx0R/BrdDuWudoxnUbvxZILi06/lNJSJsPI=' 
WHERE 
  key_id = 'c21eeb21dc82b9f243c4923de34385a5ef07189b1387cedb089d84733f9d7e9f' 
  AND (
    token = 'LMKgn7j5Hx0R/BrdDuWudoxnUbvxZILi06/lNJSJsPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )