UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/pUwybHsyIg9B7ahgrSXpLCbEu1Vx4PFiwvDQIFncQc=' 
WHERE 
  key_id = '83c0631643e48448e6ed040df1c249d975cdc64cc833a494b5b0460c19b6df1f' 
  AND (
    token = '/pUwybHsyIg9B7ahgrSXpLCbEu1Vx4PFiwvDQIFncQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )