UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '48Ynxeij0xQlRnR25na7oi2zBxzIYEAOAfn8jgq4KyY=' 
WHERE 
  key_id = '789261dcdc3584fffb849b784fa17dbbb459edfb898da025239ed94d0e659f02' 
  AND (
    token = '48Ynxeij0xQlRnR25na7oi2zBxzIYEAOAfn8jgq4KyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )