UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBKg72c+nuwqFIm/AQRFbGlk4PGEYatUGd18uyKtvtY=' 
WHERE 
  key_id = '7638c989cec78b78be198bf4b24bf3303ae3a63a363d28c05f53129ad92e3949' 
  AND (
    token = 'MBKg72c+nuwqFIm/AQRFbGlk4PGEYatUGd18uyKtvtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )