UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Unj7LzIa7RwSRsglrRd7f7dbuYJZuJfh1fAXPhBuoEs=' 
WHERE 
  key_id = 'de499c71abe8bf3317d82414c4f9dc4dd4cc07e8d8a3f601de6699a7cba246e8' 
  AND (
    token = 'Unj7LzIa7RwSRsglrRd7f7dbuYJZuJfh1fAXPhBuoEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )