UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6H/j5WsYZy9mhGYwLdHxGqEiNtnxcL6mraYYHuhfZYo=' 
WHERE 
  key_id = '6426747160da4f62f115894eff82fd09c90ec502cd57d16d5a8e888e882d7d20' 
  AND (
    token = '6H/j5WsYZy9mhGYwLdHxGqEiNtnxcL6mraYYHuhfZYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )