UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTVcyciepcgbo6maH4F6i3SQjDsPhn5RPJJkMsaDThM=' 
WHERE 
  key_id = 'a20186ac5eb0fdc8cd3c91223a992e56287bd54791156d8d6651905b71b21758' 
  AND (
    token = 'rTVcyciepcgbo6maH4F6i3SQjDsPhn5RPJJkMsaDThM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )