UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xn9Jwo7Ypvsm5J2VkhfrWkig4Yx6hy9lUFze5TX0T14=' 
WHERE 
  key_id = '5f15f538d1494003810fdac3d0c703df82a0e8270b3ec5d99cd403b0e4c58799' 
  AND (
    token = 'xn9Jwo7Ypvsm5J2VkhfrWkig4Yx6hy9lUFze5TX0T14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )