UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '55LsyIrNAOIRzBev8+6SJYRBlE6cDCjf8hTGYBZKzk4=' 
WHERE 
  key_id = '1968e48fc4048bcabb0d88e0c6710efdc4ce6c06950a5d186146b5c640383f13' 
  AND (
    token = '55LsyIrNAOIRzBev8+6SJYRBlE6cDCjf8hTGYBZKzk4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )