UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gmn4QmeDYZxxOUMTIefm7ZnPD993bdqDowwIVZ+lzeE=' 
WHERE 
  key_id = '261757a6ec5954fe4a730e8dabf9b2c5cb292081fc434fe4e4193413a769e51d' 
  AND (
    token = 'gmn4QmeDYZxxOUMTIefm7ZnPD993bdqDowwIVZ+lzeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )