UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KM6mVqbp7aA6htSvKXttIXqRYfj5ANY/75U/UjSaWQg=' 
WHERE 
  key_id = 'e6e1b586cf733aac69008fa38265e29247534e70087e50704bb34dd991f105c7' 
  AND (
    token = 'KM6mVqbp7aA6htSvKXttIXqRYfj5ANY/75U/UjSaWQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )