UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9UPVeYDX1seavE/Dia0C3NRZqKMzC0v1pdjY/84CnPw=' 
WHERE 
  key_id = 'a849c350f732436337568198b334b9b0751208ac84130b3dcc2e008200002d49' 
  AND (
    token = '9UPVeYDX1seavE/Dia0C3NRZqKMzC0v1pdjY/84CnPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )