UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/z4EA40tW4AT4BHEhkp4NGXiG27D5e7MB0BN8bxVauY=' 
WHERE 
  key_id = '98d81def176d310a62654f2bda6e0a4cbf5f0e2018e758d87d862d7137c01c2d' 
  AND (
    token = '/z4EA40tW4AT4BHEhkp4NGXiG27D5e7MB0BN8bxVauY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )