UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K5lYyUawZkUUuNGzvHwaYsuaUEA2qRznuUocUb/GHZc=' 
WHERE 
  key_id = '0251ad0886272b32b39cc0ec579c14ce88267776fa2dd0ccd753a174ed974af4' 
  AND (
    token = 'K5lYyUawZkUUuNGzvHwaYsuaUEA2qRznuUocUb/GHZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )