UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/d9Y8y9Fl19T+c79MBTN+UKxhrcJ9ijAEFHbtM79CsM=' 
WHERE 
  key_id = 'fbc965ffb663a8603df67ad03345b65d6b524c2013f4e4c15412e48599e5f2b5' 
  AND (
    token = '/d9Y8y9Fl19T+c79MBTN+UKxhrcJ9ijAEFHbtM79CsM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033