UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dncAGZfQpu78fPT9VscKS66quCnVeKO5VAI7QBz6wcY=' 
WHERE 
  key_id = '1e7843532428b1171b9d7deb549e75a46702d6f9fe71572bab8357aff58cb25f' 
  AND (
    token = 'dncAGZfQpu78fPT9VscKS66quCnVeKO5VAI7QBz6wcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )