UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+y29G3QXqoDCCMzdBa8imw9zkt3MvJscu8p29p6sVEo=' 
WHERE 
  key_id = 'e450dde0850a172a05cd2ad125d2f24e7680f91e2d10e7b4941f03ce87b6f828' 
  AND (
    token = '+y29G3QXqoDCCMzdBa8imw9zkt3MvJscu8p29p6sVEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )