UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bu5u06mMBpPtbdMdExYUCXNKPNIUlaG0ko4OEIdm8KE=' 
WHERE 
  key_id = '38ac5834e077d3b6dc119d50e73d4bf3dc123baf3a875fbb13e8135e55b04538' 
  AND (
    token = 'bu5u06mMBpPtbdMdExYUCXNKPNIUlaG0ko4OEIdm8KE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )