UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elk2vI6n2VCbb9ZQVcHR2BVvd7toe9VFnHT6x9mNZCI=' 
WHERE 
  key_id = 'cbe953703e46aa8c60a47afa5b59ff5feed637775a2f6e59f751e05736ada353' 
  AND (
    token = 'elk2vI6n2VCbb9ZQVcHR2BVvd7toe9VFnHT6x9mNZCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )