UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nfb+/PGnMFpeTxy6Tn8lWELgnmuHmHE9g5Irp1JYqJk=' 
WHERE 
  key_id = '49391aad0cb2ad21eea2804bd78c2fa1746b983cd1c17b9f71321b195b8a9997' 
  AND (
    token = 'Nfb+/PGnMFpeTxy6Tn8lWELgnmuHmHE9g5Irp1JYqJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )