UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhhYmcsMgIpbRMVBkhhmk/zXXQjJfLBmSDXqj8wCJuQ=' 
WHERE 
  key_id = '2e8f31b4e6809bb3c13f610fd4cf500b7bfa3e422907d5e011ad5a6adbad3251' 
  AND (
    token = 'MhhYmcsMgIpbRMVBkhhmk/zXXQjJfLBmSDXqj8wCJuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )