UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mKG9IxY688tKYvinDetk/KpvTKYED4dX6fhOCB32eU0=' 
WHERE 
  key_id = '2e9756507deef33533f0899d9962e3b6251cf1e6bfd80c6aaf941efaa14977ca' 
  AND (
    token = 'mKG9IxY688tKYvinDetk/KpvTKYED4dX6fhOCB32eU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )