UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G4J3TGlBkcm55X9OnYOc33fuaOEJ1a1bUAvN5EqYMnA=' 
WHERE 
  key_id = '19c4e4049700fa2dbc551d0a72b25a5be9b43f58568959d15358fbafeb8c87ce' 
  AND (
    token = 'G4J3TGlBkcm55X9OnYOc33fuaOEJ1a1bUAvN5EqYMnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )