UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pwdijBYDtX0aRKpc0/y5rfpu3bQzBtMCE3y3kL76Z34=' 
WHERE 
  key_id = '6c81002fc99fd53183ccba76ebf7fe9b1f122d59d8270e261f7b408387fb6a88' 
  AND (
    token = 'pwdijBYDtX0aRKpc0/y5rfpu3bQzBtMCE3y3kL76Z34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )