UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2k5LA/D/txZmK2hZc6Ee00ru4ahnDz8IolBjVuMDeyg=' 
WHERE 
  key_id = '504da75bca28f40acb5d3c817a0584230f64c6d9c88ff19930d5af5225a262c2' 
  AND (
    token = '2k5LA/D/txZmK2hZc6Ee00ru4ahnDz8IolBjVuMDeyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )