UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elaD0ssr68HjIXr7j6MWlvgmQiM6woiRvkKJyyamYhI=' 
WHERE 
  key_id = '3a9d2ecde94c52e546d061b6267f45eb181e2a9af66c4c10cd33100e6941ff66' 
  AND (
    token = 'elaD0ssr68HjIXr7j6MWlvgmQiM6woiRvkKJyyamYhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )