UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PDK5NACrNm0Ju0o53k0TN1C4F1y21cOditAXC+PYh0=' 
WHERE 
  key_id = '5c6260797261de65c33f2e7466e52f73e7eb016fcc344d24b8e97964b711c16e' 
  AND (
    token = '/PDK5NACrNm0Ju0o53k0TN1C4F1y21cOditAXC+PYh0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )