UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9/gCese0e8kexYuP+2C1jLUyyUsHjStzdeZr5kx6awA=' 
WHERE 
  key_id = 'af1c514363898163e2270d099f831671b12da2200daf4e9590eae70a43f5dc55' 
  AND (
    token = '9/gCese0e8kexYuP+2C1jLUyyUsHjStzdeZr5kx6awA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )