UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51whOEBtDzMSPOnc40ijwVEYM+5jw7VD7U+7P/b70tA=' 
WHERE 
  key_id = '49c5a4bf5c82f5ae80d1373d82c3d6fb4fe3c5e6c69330e97a0e63c2d697fd1b' 
  AND (
    token = '51whOEBtDzMSPOnc40ijwVEYM+5jw7VD7U+7P/b70tA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )