UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lu1sr0B7dH9WETqr9KLuiCxR+W4cdOQNGQNKSIXAQxk=' 
WHERE 
  key_id = '764c5e4b824a9a20abcf645105e14e37cf458147f1944a47ec93e538c97199e9' 
  AND (
    token = 'Lu1sr0B7dH9WETqr9KLuiCxR+W4cdOQNGQNKSIXAQxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )