UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JN/AgoOWw9JsGMXCbbqU7rM4ItVcw98ZVfSFhXXVGdE=' 
WHERE 
  key_id = 'b542ca9d00be9081c6b72cd6c12836312bd4c420846678183cdbb915770a70bf' 
  AND (
    token = 'JN/AgoOWw9JsGMXCbbqU7rM4ItVcw98ZVfSFhXXVGdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )