UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJ5jnSxpTX+kDbVkLSmAKYLEBKvDBbSiGhjBUoWS1BQ=' 
WHERE 
  key_id = '8834a688ff82dec4bf41eb26b066e108c67100009e52bc937d3aa461cc793aba' 
  AND (
    token = 'MJ5jnSxpTX+kDbVkLSmAKYLEBKvDBbSiGhjBUoWS1BQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )