UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H71YlSPu+HkeBUqVubmYwlQNmZSUyfxg8+BNWjIqmi0=' 
WHERE 
  key_id = '855e95749e947d07889d7f72d88b536b59cf3db84013783686531a833c720d5d' 
  AND (
    token = 'H71YlSPu+HkeBUqVubmYwlQNmZSUyfxg8+BNWjIqmi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )