UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r3D3WDuKRd1ycRUChRqmMPy714fD4DeW24w+4E1ZlME=' 
WHERE 
  key_id = '6580be4b341df4ed143e7bdf15438be62f73b23b19aa6b112c7f07fe722eaa51' 
  AND (
    token = 'r3D3WDuKRd1ycRUChRqmMPy714fD4DeW24w+4E1ZlME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )