UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cWvAXgYVmpyiGwWtSA3DV0R/yT8zLj1RQ04YFayezK0=' 
WHERE 
  key_id = '2d36d68448308a52465f11aa18df4f19bdec4cbf859336156bb4ed746fddd857' 
  AND (
    token = 'cWvAXgYVmpyiGwWtSA3DV0R/yT8zLj1RQ04YFayezK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )