UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mZxfJL2he0FyWVWS+ACEztqn/QnmXijMMUDrjSoJdLQ=' 
WHERE 
  key_id = '5691cf6c0c80fdaaf701eadbd2f3a23d086a3cc6b306a5f4e36403e9e53b90d8' 
  AND (
    token = 'mZxfJL2he0FyWVWS+ACEztqn/QnmXijMMUDrjSoJdLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )