UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q6a1ysPB0sUA5q/CdzR6hYwsvYcTbSy/Ck6h4rcJSxY=' 
WHERE 
  key_id = 'a91302df69d157e50044e0fe6e72d996e33586dec2a8d0c46b0d66b770eb857f' 
  AND (
    token = 'q6a1ysPB0sUA5q/CdzR6hYwsvYcTbSy/Ck6h4rcJSxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )