UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ex2UUYRxPfXW2hH3vTySjRqnUJze6y0WmPRd8wTNpT0=' 
WHERE 
  key_id = '1240e9421d955cfead41f0f9222b45120736cc51fca48c1f15f56382e3ba641e' 
  AND (
    token = 'ex2UUYRxPfXW2hH3vTySjRqnUJze6y0WmPRd8wTNpT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )