UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qmh0ed5HvEao3eOUFSkutJf5JcGhsvXeG4XZEggTGkc=' 
WHERE 
  key_id = 'fd93324f58fc95bacc89f83b980122983eda86ad33462f076f4937a5e3c80397' 
  AND (
    token = 'qmh0ed5HvEao3eOUFSkutJf5JcGhsvXeG4XZEggTGkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )