UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epWjU3FuXtYIyAtoMXDXzjAWIGznet6PgX1jDGeWWCs=' 
WHERE 
  key_id = '500eeb0e114171b6990d7da3ba9802bddf5a78433f5e689aae639b70bdb555c2' 
  AND (
    token = 'epWjU3FuXtYIyAtoMXDXzjAWIGznet6PgX1jDGeWWCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )