UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VxUjFUuP6zJRR7gWGNjv7PW3SIQx2L3l0DONwkLGQA0=' 
WHERE 
  key_id = 'c906149690778158b1e89e8c9ffd15ebab6e39ddc57b67ede756584c5350df37' 
  AND (
    token = 'VxUjFUuP6zJRR7gWGNjv7PW3SIQx2L3l0DONwkLGQA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )