UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QNsQ+RAfQrU18kzN6D+fqM3+Xs5+qgARj+BvWgElYtE=' 
WHERE 
  key_id = 'b298d818ac10a19350f201d1c2c14a5b0557f22da89796fa7365eee67546d249' 
  AND (
    token = 'QNsQ+RAfQrU18kzN6D+fqM3+Xs5+qgARj+BvWgElYtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )