UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4/YtSHs52SmUVuJl8wOARrIALeujH0vjzPf9H0aj3xk=' 
WHERE 
  key_id = 'a6f7495d2cf18414a02f602eef8d82c8dee6622564b6c0078ac71fff2b80f38e' 
  AND (
    token = '4/YtSHs52SmUVuJl8wOARrIALeujH0vjzPf9H0aj3xk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )