UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MpzErlEzLNGaDt7n72h2jtBeEV//JHOvpgsZgo6hfGA=' 
WHERE 
  key_id = '931827c1a3bf653952a60acb2f6fad813de322b630859d33c9def1d242e9957b' 
  AND (
    token = 'MpzErlEzLNGaDt7n72h2jtBeEV//JHOvpgsZgo6hfGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )