UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iRf4EuMf+yawEgyIb9Mh8R/Lx9c3x4Ex8HTtOLDoYCw=' 
WHERE 
  key_id = '648c4d3df3ef7c48425716f6a8b93684b19c8f5e179a70926c4fe1ebb29ef15d' 
  AND (
    token = 'iRf4EuMf+yawEgyIb9Mh8R/Lx9c3x4Ex8HTtOLDoYCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )