UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W97I4gdXDhnWxirtXlFLbz3yykwgF9NlX25MryOlI6M=' 
WHERE 
  key_id = '56796ea8295f3a58694a0add24cfd420b5e2ee5ebb14320a15e81b6866985635' 
  AND (
    token = 'W97I4gdXDhnWxirtXlFLbz3yykwgF9NlX25MryOlI6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )