UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bvhYTL23ddegkLD3rEZwU3MNfsZwaCzUFpP//aU3vqM=' 
WHERE 
  key_id = '50e70798ed480e8013dcc80afd1500a9e9ad9da9e016167f6412223f3a830400' 
  AND (
    token = 'bvhYTL23ddegkLD3rEZwU3MNfsZwaCzUFpP//aU3vqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )