UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AMbxm9+GNb9mp5oeWIpIiWB1EN+jdY6tBwSJc9g6xNA=' 
WHERE 
  key_id = 'e48fd07e2c0b10bf0162cfebaa13401e5a1da19d2314e1e9485053e570c34e3d' 
  AND (
    token = 'AMbxm9+GNb9mp5oeWIpIiWB1EN+jdY6tBwSJc9g6xNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )