UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eY335LBeRRITVDoURdIpRQcd9xRSjRWdmaUSCA1n7rg=' 
WHERE 
  key_id = '15bb1da79e358c0de7e20835e1a415bc29671a1bbe9551dbbe485a6a3f5c3df5' 
  AND (
    token = 'eY335LBeRRITVDoURdIpRQcd9xRSjRWdmaUSCA1n7rg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )