UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b0417sdhwkPt/hcjH4Pln6Y2wUNk2828d8S+y5NoOa4=' 
WHERE 
  key_id = '1b84388ac36dae6702d5bfc109564c1c8dca623bce8579daabce3d11c07f56a0' 
  AND (
    token = 'b0417sdhwkPt/hcjH4Pln6Y2wUNk2828d8S+y5NoOa4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )