UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pO2SToHeG4c93huYbjPkNNOxpz91fKJmZyADfdKkpYk=' 
WHERE 
  key_id = '47a1f71dfe51decee47b537403b0908771a0593a7f7281c87615f528c31fb398' 
  AND (
    token = 'pO2SToHeG4c93huYbjPkNNOxpz91fKJmZyADfdKkpYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )