UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E2/WczL4m5nNCbRr9XAJtJ0mtdNHzLX23UqCqHZJwl0=' 
WHERE 
  key_id = '8e61cd0776de606797e5eeaa5442fd8270d634a78a65553dbd8c75996e69d7e5' 
  AND (
    token = 'E2/WczL4m5nNCbRr9XAJtJ0mtdNHzLX23UqCqHZJwl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )