UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tKVxg8T7Reavmy1fxhjKrMFENwXa153wB2XVQx1kMqE=' 
WHERE 
  key_id = '27e6f6cd5be34f915bfe54c9fea64a01b3a183ec4600159aa0df2729c2f24381' 
  AND (
    token = 'tKVxg8T7Reavmy1fxhjKrMFENwXa153wB2XVQx1kMqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )