UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MxLNrRvp1MxKBtPhrBww3hulS365jS1dUzW/eMWcDc=' 
WHERE 
  key_id = '5201b15e8e9e93edd35dc1459754543b776c53bb804fc564357f3fa4202c903f' 
  AND (
    token = '6MxLNrRvp1MxKBtPhrBww3hulS365jS1dUzW/eMWcDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )