UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMNldjqC5hnrOrGj9qRG3wPTO4mPWjWt6d53p1zIUYA=' 
WHERE 
  key_id = 'bde27b046fb1f2fc2c9fbb8d62f9c38b28d769d51df9e3f9ac544b49fdddb799' 
  AND (
    token = 'RMNldjqC5hnrOrGj9qRG3wPTO4mPWjWt6d53p1zIUYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )