UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fzvgPAPs8rKUVWnlcODbUCCXXChvMFlhH8rNoQwmqvs=' 
WHERE 
  key_id = '16ebe5a1c38211a28216d9f0c113e1af8919da18a529192afbca47ae6d18c903' 
  AND (
    token = 'fzvgPAPs8rKUVWnlcODbUCCXXChvMFlhH8rNoQwmqvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )