UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4nX2YfPNWVDCOTFWaI3vZyUsB7DuLZf5yabu4NNWe44=' 
WHERE 
  key_id = 'acd413b33b81a77a6223ee4fa2ba562044b3a1a8093be13492fec1075d69d950' 
  AND (
    token = '4nX2YfPNWVDCOTFWaI3vZyUsB7DuLZf5yabu4NNWe44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )