UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y8HJHCyqWNbgiC4CuvY3FaIhn70rxzmOJJvVJPeM6Mc=' 
WHERE 
  key_id = '81198177bd659bb13b49633b4ab655328a7fba734f8999257fc6a8b43845729d' 
  AND (
    token = 'y8HJHCyqWNbgiC4CuvY3FaIhn70rxzmOJJvVJPeM6Mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )