UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AwZQAjUV3UNiTLiGs/3InVQdSLbLudnj1JmPlOTPBBU=' 
WHERE 
  key_id = '51880c26d6d0ade2ed4969264b568d92e13771f005eb462ec377bc86d38a9e1c' 
  AND (
    token = 'AwZQAjUV3UNiTLiGs/3InVQdSLbLudnj1JmPlOTPBBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )