UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ts4kFDZ8hSp+S6mV2epzPhfnl4z8eMnnxqkHqRwcT18=' 
WHERE 
  key_id = 'e8a53350c503712dbbcca894677573b4aa3961abcb3efc1eb5f5948d023310bc' 
  AND (
    token = 'Ts4kFDZ8hSp+S6mV2epzPhfnl4z8eMnnxqkHqRwcT18=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )