UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xl+pcILxWm39Zj11y0HS6vfyHsWDRtnvkbjiHRNsZUg=' 
WHERE 
  key_id = 'b4e79d40e6dcc34728124f18aab1d11aa2a81ed31a74076cb9151d1c14a5110b' 
  AND (
    token = 'xl+pcILxWm39Zj11y0HS6vfyHsWDRtnvkbjiHRNsZUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )