UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S54iS5K0AS0LjAPVIHP2C3ghhmlOx8xP2lHQ0h9vANo=' 
WHERE 
  key_id = '9991b353ec96aa0bb66b3627715c4319fcdba2f9b8012436e818b4260abf32c2' 
  AND (
    token = 'S54iS5K0AS0LjAPVIHP2C3ghhmlOx8xP2lHQ0h9vANo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )