UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Paq1uZVwjE1qy5bT5WRm7lAPXWouivsAmFscd2dYs9M=' 
WHERE 
  key_id = '218f38e5c5a33b5b0084607ebc52f3237da27026b095086104bc59ac443ab19b' 
  AND (
    token = 'Paq1uZVwjE1qy5bT5WRm7lAPXWouivsAmFscd2dYs9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )