UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dV4nwDTRi7r+oHuFbBrXJhaQqZ8aUaKvOqWu0XVMtrA=' 
WHERE 
  key_id = '55d2bb541005b6b5efff863e0fd26a1f471024f35843804e47a851b3a5999d64' 
  AND (
    token = 'dV4nwDTRi7r+oHuFbBrXJhaQqZ8aUaKvOqWu0XVMtrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )