UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7CdlDAk+MDhTr6gEK7brLtr6q1IhXSH5cSj4a1h+Fkc=' 
WHERE 
  key_id = '6a075d62c292fe1a18bf2cc9649d3c8427220a388706fc2ac822be949a56d3d8' 
  AND (
    token = '7CdlDAk+MDhTr6gEK7brLtr6q1IhXSH5cSj4a1h+Fkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )