UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's6gFqePle70h2t3wZzboPFanNiYzBtU6h7WmQKxHXVk=' 
WHERE 
  key_id = '5b02a7fe934741256cf097273a50b6b3d570ed10e97a6d7087d4cc9bc5c0d3ef' 
  AND (
    token = 's6gFqePle70h2t3wZzboPFanNiYzBtU6h7WmQKxHXVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )