UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GuIZHQNlg8/QIVgmc/2HN9ll3kODDsCScjOlkdu9Zg4=' 
WHERE 
  key_id = 'fd9ecfae14e9828b3037a10905834709a6172da99234e014a724dd9339a2a29b' 
  AND (
    token = 'GuIZHQNlg8/QIVgmc/2HN9ll3kODDsCScjOlkdu9Zg4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024