UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Nzi4SY6OMUvds1q18owYKywFVHuwwhsg9NIaQRhSi8=' 
WHERE 
  key_id = '51fe81860149f75f8e9d3d0961e682a8bc4e414edf453b773e379f39c1dcf5c9' 
  AND (
    token = '+Nzi4SY6OMUvds1q18owYKywFVHuwwhsg9NIaQRhSi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )