UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uh8Xo8jkMg6OW8v8wRxLvgvKt9s4zVlpBMUZfKHMJ58=' 
WHERE 
  key_id = 'b81afe43c1c8a633f3fbe82f126711047cd7983e63961c7c939ad996655fdee0' 
  AND (
    token = 'Uh8Xo8jkMg6OW8v8wRxLvgvKt9s4zVlpBMUZfKHMJ58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )