UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4eEHEA2sBlR0nB3R8V3K7DKvkqLjNMJUSvErKgnNWTQ=' 
WHERE 
  key_id = '9a3c51e4f7a789916a883b495b4a4621dab55803a897533ced42130e4a2deab6' 
  AND (
    token = '4eEHEA2sBlR0nB3R8V3K7DKvkqLjNMJUSvErKgnNWTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )