UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nwuv0b718hGjbjle5CRXLVgWT4PYcsPgiiF9MIJ+SlM=' 
WHERE 
  key_id = 'e4535e99f46a4093b99e8e9752b63573b130752de38686e21d0d2208d341b3e7' 
  AND (
    token = 'nwuv0b718hGjbjle5CRXLVgWT4PYcsPgiiF9MIJ+SlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )