UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '956DS6z+wuS6AZcMctJAMM68a2yn2oVaixHraIHiWbw=' 
WHERE 
  key_id = '5621a82f076ca32febe81d0945a5d54e01e6fdac642d2b072aaafabbdfcf302b' 
  AND (
    token = '956DS6z+wuS6AZcMctJAMM68a2yn2oVaixHraIHiWbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )