UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RrY7f3VYErXX90K23mkpgg0mnVtKWPyJ7emwF19fAhI=' 
WHERE 
  key_id = '115c034a15f4f346f1c0a24df42620ad36ebab37af34ec32a4226b406c4b0ac8' 
  AND (
    token = 'RrY7f3VYErXX90K23mkpgg0mnVtKWPyJ7emwF19fAhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )