UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sl0NN5ZVHjo7xaeuDUy3EkuD9ew8cIQK0guj5LuES0k=' 
WHERE 
  key_id = '8e66b2cb22b7173dbcfd3df85f40a24ce036e948dc3843cfaa921b2550fc8f94' 
  AND (
    token = 'sl0NN5ZVHjo7xaeuDUy3EkuD9ew8cIQK0guj5LuES0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )