UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3EC0Dnx4H8UaFJQyRfs1nVjnngBHi8kl7Dh00jG0Xks=' 
WHERE 
  key_id = 'c84917800b1561950478191791f805639512af667ce238740cc41f376fae03cb' 
  AND (
    token = '3EC0Dnx4H8UaFJQyRfs1nVjnngBHi8kl7Dh00jG0Xks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044