UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1hdLKo5AtFYh9RfeDXhSZEFaqje8D16RSvtN9oUkKSE=' 
WHERE 
  key_id = 'c496924a55ba23e904eb8d2b7b200315d40c99f66c55cbba49eefc50d4921838' 
  AND (
    token = '1hdLKo5AtFYh9RfeDXhSZEFaqje8D16RSvtN9oUkKSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )