UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'av/rSzkQiybpE32qDeN58R0eyI6ZzuzRyoqyoNXtC7o=' 
WHERE 
  key_id = '4976c1aab59c2569fb8cd6443fe76076426f2438a9d69f158531f665339f02a8' 
  AND (
    token = 'av/rSzkQiybpE32qDeN58R0eyI6ZzuzRyoqyoNXtC7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )