UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bWgKGFd+zYgvRJqzgSs1bbo39W5qAKmGQIU5OetIMM=' 
WHERE 
  key_id = 'ab1dfd792b94dfb3137138a991653491bab837e582a053739adcc8e405470ca9' 
  AND (
    token = '6bWgKGFd+zYgvRJqzgSs1bbo39W5qAKmGQIU5OetIMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )