UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4QDGVpwdFkJqwTXGZ5bXC//nxktreATtiey9azccrpI=' 
WHERE 
  key_id = '55b748bedfe4b14cb6f826a94e7958d2748bd9343e986542e4a5901f7b72b0d7' 
  AND (
    token = '4QDGVpwdFkJqwTXGZ5bXC//nxktreATtiey9azccrpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )