UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zTloWltLKD434InTeh9u9NWM7pssnkw0QwVjW6U7jo0=' 
WHERE 
  key_id = '4d1c87e5cb09ef4db3d54d242ae39d9ae174585d00f2bc7b6ff40cb65d8e4be7' 
  AND (
    token = 'zTloWltLKD434InTeh9u9NWM7pssnkw0QwVjW6U7jo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )