UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y4MDMo4BkKlbtaaYdMv3D4KWNGq4uIqfZ/P9muRuGPg=' 
WHERE 
  key_id = '820f4aa4ca625ab956cf284377aff000a6db6f13b1faeb1fe67d34d977ba1647' 
  AND (
    token = 'Y4MDMo4BkKlbtaaYdMv3D4KWNGq4uIqfZ/P9muRuGPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )