UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wu4Oxav47nSZ9ExXgt+oIEzkL5z8Vl8fC8rHZoB7RSM=' 
WHERE 
  key_id = '21b7876483274125de1e6ab8328eebf87fe968376f1eff5b5c13fc1dabf53bf6' 
  AND (
    token = 'wu4Oxav47nSZ9ExXgt+oIEzkL5z8Vl8fC8rHZoB7RSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )