UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'engFcpRi3djSxkDSo8EvoWmjE4qBUUWg7pM8gfDhkE0=' 
WHERE 
  key_id = '848fb9d02ac3b1ec13f7e34c5c21ad9026bf1b5a69a52643bda5b09fb2bd8474' 
  AND (
    token = 'engFcpRi3djSxkDSo8EvoWmjE4qBUUWg7pM8gfDhkE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )