UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LxBNq7mK51qeKXgnJStzBtyk+VfKdzWpqsTxfYBZEs4=' 
WHERE 
  key_id = '6c747734e6ba217cdb443d03a7cd6d79040fa235f5af29929df8a3f28c59f5e5' 
  AND (
    token = 'LxBNq7mK51qeKXgnJStzBtyk+VfKdzWpqsTxfYBZEs4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )