UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3CKIuhtmnnGkUAjbNOCKg8es0WQwPB3gYIlH1TSR6xQ=' 
WHERE 
  key_id = '4a9b983d915c1937609a9f58c21082a1ee04120606d77e60672bd55b7ddb7b79' 
  AND (
    token = '3CKIuhtmnnGkUAjbNOCKg8es0WQwPB3gYIlH1TSR6xQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )