UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZlowBQPgZMZqeKErtDr9rVVHs6tpzq5+k1XQE/FCeKo=' 
WHERE 
  key_id = '6ab245034724133aecfa67c4e2848b84fe775263f0b2b61414697511f860db52' 
  AND (
    token = 'ZlowBQPgZMZqeKErtDr9rVVHs6tpzq5+k1XQE/FCeKo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )