UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '94CbTrWoiiyG0WXXAiVmVY35EIjw9c2US5DhyHNYtMI=' 
WHERE 
  key_id = '5eb4aa2a469395b8b0f22e7c5d812f04b2c2cda190cc39790d03ec41c5a85605' 
  AND (
    token = '94CbTrWoiiyG0WXXAiVmVY35EIjw9c2US5DhyHNYtMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )