UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkBSI6BZfpA0tUoSzW5u4PNFWvRyERkvyAKDyYO7vv0=' 
WHERE 
  key_id = '51446d9f7154c4e9a2d8aa44955372865f3e9d0c782480d853fec7786a0a8a70' 
  AND (
    token = 'gkBSI6BZfpA0tUoSzW5u4PNFWvRyERkvyAKDyYO7vv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )