UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nx4tEDFOzXCBU/IjZ3yXZ5pnl3IH3TLSbdUK17pVaA8=' 
WHERE 
  key_id = '8e678c076e9df10a279030ab1a1e4781d46d6629ede308bfb9d0751350dcc12d' 
  AND (
    token = 'Nx4tEDFOzXCBU/IjZ3yXZ5pnl3IH3TLSbdUK17pVaA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )