UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jKv869/AEHfSc8ab2TaPqGtjAwBqHJx8lxsc8AtXXe0=' 
WHERE 
  key_id = '1e84c13c66312a0930cb14423bada105fe69d64bda610501c836f0cb17f67d97' 
  AND (
    token = 'jKv869/AEHfSc8ab2TaPqGtjAwBqHJx8lxsc8AtXXe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )