UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yLhcq/FdVrO9FrBL8JLX9La92pEXyWcz9p7XIA6OvjQ=' 
WHERE 
  key_id = '6ef8f20f7a19dafae6e540c253e511bf3e3bdd5009ca3a48997b5624d2974815' 
  AND (
    token = 'yLhcq/FdVrO9FrBL8JLX9La92pEXyWcz9p7XIA6OvjQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )