UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txGD8UXUPOAiTiiD41j/b6wnXgDSZB6tgOLu5cNDADc=' 
WHERE 
  key_id = '4a1f34a48aa3773996b4760b321c37572011694ab3b6606188808791c577d563' 
  AND (
    token = 'txGD8UXUPOAiTiiD41j/b6wnXgDSZB6tgOLu5cNDADc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )