UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5A7zBIPR40Fbjb9u7okftUOY8sFmihtE/UzD1HkZ2uY=' 
WHERE 
  key_id = '7d9b6b428a2d9801f9529a3da0a1757f1a2f93328dcd1d9e7f8903d297383e36' 
  AND (
    token = '5A7zBIPR40Fbjb9u7okftUOY8sFmihtE/UzD1HkZ2uY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )