UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SilS6V/ZEpGLwQ8V1nvocaQKrjwrBhuPwucSpkKyoj0=' 
WHERE 
  key_id = 'a2e66a9d73d119e543f6102838fee71f770a28199a8af35a8a16a3254e2ce44c' 
  AND (
    token = 'SilS6V/ZEpGLwQ8V1nvocaQKrjwrBhuPwucSpkKyoj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )