UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMKK1j0oTzas3G3fU6nJmxSp03Ajw92h23DUocy5T6E=' 
WHERE 
  key_id = 'e9bdf657934642e2b16ca965071c1545b10e435367e3643fd5ee660b199f212c' 
  AND (
    token = 'RMKK1j0oTzas3G3fU6nJmxSp03Ajw92h23DUocy5T6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )