UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cjUTKBiGjC+iHsTRUij5tJ0rbShhS6L3omJnKPFXiPE=' 
WHERE 
  key_id = '38e1562699b4fdaa2b69d836c012e8e84666f0cda3db739287e748b606c4d880' 
  AND (
    token = 'cjUTKBiGjC+iHsTRUij5tJ0rbShhS6L3omJnKPFXiPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )