UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RurId6x5mHsJLlEaBprYYrpNi0v7xPZ0AkMbIFdqFxo=' 
WHERE 
  key_id = '6cad862d8c3e8947b10a7a48c44d61a243044b7ce53faf7125d2440b2142be35' 
  AND (
    token = 'RurId6x5mHsJLlEaBprYYrpNi0v7xPZ0AkMbIFdqFxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )