UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+DuTKe1wpx86H+6lG2RYBqMBBn25wU+7716QwcmFWI=' 
WHERE 
  key_id = '6cebf1c0b0ff42f44ef73875fb7db839125b398c41d7ad82b9303b3badeaafa4' 
  AND (
    token = 'U+DuTKe1wpx86H+6lG2RYBqMBBn25wU+7716QwcmFWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )