UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P5HNk37fW782ZjweMJIcrZKmmXvXhcMPQxa34gJbVBU=' 
WHERE 
  key_id = 'c4353653a2fbd18fcbdc37451ada88748f446c4f379721b5107d5976f5252a30' 
  AND (
    token = 'P5HNk37fW782ZjweMJIcrZKmmXvXhcMPQxa34gJbVBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )