UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6743pJpDH76UEvnV3sxuOK70nxbRGO+5Br4XD8DRSZ0=' 
WHERE 
  key_id = 'bf5d68f1eb7b0083527ee0dc510f503508ce4ad88e73951cd080554a1f956616' 
  AND (
    token = '6743pJpDH76UEvnV3sxuOK70nxbRGO+5Br4XD8DRSZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )