UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hbXa7xLF0p6ysQpUThcK/tUhQXSpfzGffpFZVw1GCcE=' 
WHERE 
  key_id = '337798cf808313c5b51d10fb29890854c9d67ab4df2fde2718fbdb71a9e5f12b' 
  AND (
    token = 'hbXa7xLF0p6ysQpUThcK/tUhQXSpfzGffpFZVw1GCcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00051