UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxebWxSD698I5B+9+/tj8JjoiHY3eq7u2rsaBPgXanY=' 
WHERE 
  key_id = 'a81fac526c19b891f69621875c107bd4e563ee14a21296d5314d5c3e623806f3' 
  AND (
    token = 'gxebWxSD698I5B+9+/tj8JjoiHY3eq7u2rsaBPgXanY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )