UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4bdDWPuG7qneGZq/p0sb7oEMNw2EDneww4QdZMqb0ik=' 
WHERE 
  key_id = 'b855ac1f3c72d7376e083d26b0731e29a4f23d24ac76ed8c6a84c93d15509568' 
  AND (
    token = '4bdDWPuG7qneGZq/p0sb7oEMNw2EDneww4QdZMqb0ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )