UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nKtSYYIhoXenk+nvIFKmC3BEud3H90W6fuvc2YKRb7U=' 
WHERE 
  key_id = '9683df52661f37b4ea920b58467601c7faa99efc29e787a420ca8fbb86c31678' 
  AND (
    token = 'nKtSYYIhoXenk+nvIFKmC3BEud3H90W6fuvc2YKRb7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )