UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtOG2pb0MhvlLClHOtncwiZ89GeqVcv0qdZpkvYHH+o=' 
WHERE 
  key_id = '2ac0c8a40da894761b8e3eda92fe21d83ced8553e7784502111e901df2f37cde' 
  AND (
    token = 'PtOG2pb0MhvlLClHOtncwiZ89GeqVcv0qdZpkvYHH+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )