UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gis/y8hxJSPRO1t1AaaiDDAZYQZT4Sp+YuLlsQ4m6hk=' 
WHERE 
  key_id = '15b75ec8604a4f7f1ebd07bb260d7e1cc44664a15c01d37b45793097a1fc79b2' 
  AND (
    token = 'gis/y8hxJSPRO1t1AaaiDDAZYQZT4Sp+YuLlsQ4m6hk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040