UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5iHNxXfso3lt23gs3qeCuEUWBinDNv7Lq7xKQf6za5o=' 
WHERE 
  key_id = 'b73112a68cc1862e6f16402a19b796494ccdc4dd12319559a73dd8dacbbb7040' 
  AND (
    token = '5iHNxXfso3lt23gs3qeCuEUWBinDNv7Lq7xKQf6za5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )