UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0kB1ncDddHTPSKDvMU77BFbmlkuVKWhtcWw08WMz7uo=' 
WHERE 
  key_id = '3c925cf11bd0fadb31312b6dec25e5d1420032ce80fc62c70a09863000483b2c' 
  AND (
    token = '0kB1ncDddHTPSKDvMU77BFbmlkuVKWhtcWw08WMz7uo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00051