UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvZLgjDfqF+eELtUSWvggEvf/Os4voXpEEjAQbYFkLc=' 
WHERE 
  key_id = '91a55db48a15adf4c7867e50ee6b21a91b80bf6c8fc7e656f6a54acc3e1945d5' 
  AND (
    token = 'AvZLgjDfqF+eELtUSWvggEvf/Os4voXpEEjAQbYFkLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )