UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kIERdqCIWbppiIXiyBfvNNCDgQ0QdGPBgdprv4cXJCk=' 
WHERE 
  key_id = '50b91643412fd936b4ebcbd0815c9fe75d952606491d109234959b64acc871b8' 
  AND (
    token = 'kIERdqCIWbppiIXiyBfvNNCDgQ0QdGPBgdprv4cXJCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )