UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XZMkTIIMvQvN37PEk3sQutKsbygVMBz/YkMhzJqA3NI=' 
WHERE 
  key_id = '00d88f8ba87e9234986b33a04af8caf03f8a2bd050f58458e490a177a078d7a4' 
  AND (
    token = 'XZMkTIIMvQvN37PEk3sQutKsbygVMBz/YkMhzJqA3NI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045