UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q8MSHXcfDe+jlzidP78ji+gvicAk/GV4I0rO2a6vH6Q=' 
WHERE 
  key_id = '2f91abcb744067c6e99a9e380a9757e4e73c037160725189104fa2f8593be123' 
  AND (
    token = 'Q8MSHXcfDe+jlzidP78ji+gvicAk/GV4I0rO2a6vH6Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028