UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'av8kHglkYf+BauO92qDrYM91OyEtxeTCzdlgOC3OkeI=' 
WHERE 
  key_id = '48d8ff193197a23f8399ec6e283649812d516c2547e118107f50d13f5184fede' 
  AND (
    token = 'av8kHglkYf+BauO92qDrYM91OyEtxeTCzdlgOC3OkeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )