UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ppc2RwX7HdAlH/PomcE1mtIDMAZbFChtKVdO9aQ2L+U=' 
WHERE 
  key_id = '6aac5ffbbfab0df323a5891ac1c65a8b9c06ec132a12dfcf63a1c5d30de0e9e0' 
  AND (
    token = 'ppc2RwX7HdAlH/PomcE1mtIDMAZbFChtKVdO9aQ2L+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020