UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MDfoLgFqB/VQXD4HG3OLQjZXTpvYYefiYHgF3kRMFc=' 
WHERE 
  key_id = 'a2f948ac66a8165d174f5402abc0de66bc102b2a36caba198caff1cf0a4bac55' 
  AND (
    token = '2MDfoLgFqB/VQXD4HG3OLQjZXTpvYYefiYHgF3kRMFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )