UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHV4z99qCtZNBh3KTuRVViifmv5W3EqMH/BxWGvSCJs=' 
WHERE 
  key_id = '0491460139cdba6487d3a7ec84fcd6c8594a389c92a12fbfc4e8a866060e5608' 
  AND (
    token = 'MHV4z99qCtZNBh3KTuRVViifmv5W3EqMH/BxWGvSCJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )