UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iE6QFMnn7nJVMMwWSgjQSlPQf5KNr1pqXef9IuyJ10A=' 
WHERE 
  key_id = '5de698f6e861f1dd2be089e2202df6c20983fd8967735e9304a6bbdb6010eac2' 
  AND (
    token = 'iE6QFMnn7nJVMMwWSgjQSlPQf5KNr1pqXef9IuyJ10A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )