UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ns78i4TMHOAUZm5vaAAs8O5HPDqcSv3eiOMHI7WiEgE=' 
WHERE 
  key_id = '6aa471357bf194cde08d3dad310a30989fcba2780d1caebcde7a29e2bd196aeb' 
  AND (
    token = 'Ns78i4TMHOAUZm5vaAAs8O5HPDqcSv3eiOMHI7WiEgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )