UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i55Zv8sGl3CYLSMWMHDlfRvulHbnOGRmJfG3PuEb+6w=' 
WHERE 
  key_id = '6e3a60651bc9c57667079390ab8da8f70671465852aaa06795dd845b872b18f5' 
  AND (
    token = 'i55Zv8sGl3CYLSMWMHDlfRvulHbnOGRmJfG3PuEb+6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )