UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAaMl4N0f1aIFOAiEfZdPOprbqhkocjQFEiTG3fvbXU=' 
WHERE 
  key_id = '6a429d08d92c6db0a159256e0eeb956a294c9d39e784aa05f8fd479909a0744e' 
  AND (
    token = 'MAaMl4N0f1aIFOAiEfZdPOprbqhkocjQFEiTG3fvbXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )