UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mCVaIwIuS5Bw/KPRKLfBwtNSi5Bsv/m4mweuaGYshyo=' 
WHERE 
  key_id = '8ef25c645ea509e007bae73ff37d710298ecb8c1398635f7af5f621ccda311e0' 
  AND (
    token = 'mCVaIwIuS5Bw/KPRKLfBwtNSi5Bsv/m4mweuaGYshyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )