UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'BiAahIle23R0BEwJp3Fh2LPmJDHwb83DI26EAy1bOXs=' 
WHERE 
  key_id = '0ac524b9a44831bc1d702734715be5e40d8bfc1049e9c0b917567e7a1ee4e94d' 
  AND (
    token = 'BiAahIle23R0BEwJp3Fh2LPmJDHwb83DI26EAy1bOXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )