UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fvwn1giF40L9ZrG4vSaTIrMAQheJHo8z6WfUGBc7e8E=' 
WHERE 
  key_id = 'c2d8c7019efc6a35680aba6b4b3fa9661c0f7c4bd27b51ff479e683b66634152' 
  AND (
    token = 'Fvwn1giF40L9ZrG4vSaTIrMAQheJHo8z6WfUGBc7e8E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039