UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cVl+yuNXer/CbPxoEkSBD7WKdBJVspo7ilSzgojY5ew=' 
WHERE 
  key_id = '21d6b44303a21f3f51b5218cca2b0a04a617aed257aff9183554ab932e964134' 
  AND (
    token = 'cVl+yuNXer/CbPxoEkSBD7WKdBJVspo7ilSzgojY5ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )