UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PiQcqMsJcj0Px/H3WdO1tmJQ1WM9dU3blMErS4IqmS4=' 
WHERE 
  key_id = '6b4ba95d2cb05ac916f7dba0a4d8b298c48f2f1d2f1a7e4bb41f302b63855743' 
  AND (
    token = 'PiQcqMsJcj0Px/H3WdO1tmJQ1WM9dU3blMErS4IqmS4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )