UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '66Gn4rRpbXeNi2BtPYVjccpu7EgN71yek4dm7Pol75Q=' 
WHERE 
  key_id = '6f0b2dcf1b9bc69ea3eec89aef0aa2aed0eebd25dc9e836fd7d2fba8d61ca8d4' 
  AND (
    token = '66Gn4rRpbXeNi2BtPYVjccpu7EgN71yek4dm7Pol75Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )