UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxg/P9rzpME7fPAMC5y8OGMq9tzKjpcP0BJS3qdzLo0=' 
WHERE 
  key_id = '55c27ee71fa18564bf5ca3c433f2c930752bd6b0227f2cd15cc0d5cadd2baac9' 
  AND (
    token = 'vxg/P9rzpME7fPAMC5y8OGMq9tzKjpcP0BJS3qdzLo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )