UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dba8KZHIWSlqL7vxktbXLjo3P0sqCVjw7vHrj0k21ME=' 
WHERE 
  key_id = '23e9ebfb40784df2180b501c3e95786a37d421ffa89cc526c82dc708aa8903b4' 
  AND (
    token = 'Dba8KZHIWSlqL7vxktbXLjo3P0sqCVjw7vHrj0k21ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )