UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2ff/dLkXSJ0ubdUzEcUsF+OOTYHOMX856xjAXVm0Huk=' 
WHERE 
  key_id = '51be325cf891f57a836c7c2c9933fc75dc7f1a0da16a44bb818cbe494edc54a3' 
  AND (
    token = '2ff/dLkXSJ0ubdUzEcUsF+OOTYHOMX856xjAXVm0Huk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )