UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WEsU6Bk90CWL4kvoOxEL1tSTNrZDpsGTelzYWrbo9EY=' 
WHERE 
  key_id = '6a695e689a36b2959eef27504f06460904f64efb723739c491b175231be02b98' 
  AND (
    token = 'WEsU6Bk90CWL4kvoOxEL1tSTNrZDpsGTelzYWrbo9EY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )