UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e+fgVQNRP66Gn3MrxSMZKQUUh7CBMuVoDS5O4XhcOlU=' 
WHERE 
  key_id = 'de35d75e7d47886225b286a8e6075b8a46bb8fc9f3279ce61a09c0678c586cfc' 
  AND (
    token = 'e+fgVQNRP66Gn3MrxSMZKQUUh7CBMuVoDS5O4XhcOlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027