UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pp/CZQsrD4wmRErlr5vQ7RpRD3T9YwAsWsM1YzQQUE=' 
WHERE 
  key_id = '6635ca07d9ab4c99049e1088bd09c8e9825f6bfc9e27280c182b671440f17bde' 
  AND (
    token = '6pp/CZQsrD4wmRErlr5vQ7RpRD3T9YwAsWsM1YzQQUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )