UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mL0KuoI4mcEUS+kqjJhcLj4ubXfPoL20OmaCFtNSmrY=' 
WHERE 
  key_id = 'b647d240e8f50570b4a83356354989f3d3851f60303fdf7d5a48c091b39b167a' 
  AND (
    token = 'mL0KuoI4mcEUS+kqjJhcLj4ubXfPoL20OmaCFtNSmrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )