UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+NOXb9UQraa53rgZdxKBxQo52aPtQ8bfWmK1LUoGew=' 
WHERE 
  key_id = '7271bc3dfd2517495e2e46c18baba8175d37f681312ae5ebfa822a59695add93' 
  AND (
    token = 'r+NOXb9UQraa53rgZdxKBxQo52aPtQ8bfWmK1LUoGew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )