UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'feJgx0i+vkP9HoHQZUINBfHqiI/+5tCcZEA32DMDUOw=' 
WHERE 
  key_id = '83e3a66b3f234e41c5839a9f0f497982ed174bbaed9996b4797794bc73890ae6' 
  AND (
    token = 'feJgx0i+vkP9HoHQZUINBfHqiI/+5tCcZEA32DMDUOw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )