UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7wnCb5pOtLyqlZKHbdGHdcb8tKDeowTgr58lPTz6JtA=' 
WHERE 
  key_id = '484a5106aa37de5f2b889ae48171b76c876cf07b91fc6fd0b47682a4413e7492' 
  AND (
    token = '7wnCb5pOtLyqlZKHbdGHdcb8tKDeowTgr58lPTz6JtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )