UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6rQilqjYDPvPuCMLsLUHHZH8/4JpnQSPoPzuWQ5Tej0=' 
WHERE 
  key_id = '81fecd12a62a4f6b9b65758b8edae7254675d74d9a51a9747d6b06b7b8df1411' 
  AND (
    token = '6rQilqjYDPvPuCMLsLUHHZH8/4JpnQSPoPzuWQ5Tej0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )