UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OP2/I61a3PH/Q+mmH5cAt35UKxxhZaRmtuWdAsLQFfo=' 
WHERE 
  key_id = '6acc0db43bb4b8110bb7b275a3b20dac651265fed5d9752bda1b934da2fc5c50' 
  AND (
    token = 'OP2/I61a3PH/Q+mmH5cAt35UKxxhZaRmtuWdAsLQFfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )