UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BBNa1lUb859Pw2i5aliT//iqE0WjCJnsZO/d3NSE7Vc=' 
WHERE 
  key_id = '2942549912b67ac1201b08edd7b9a88fe7e60f9ac56a1fd48d72b49e99b5475a' 
  AND (
    token = 'BBNa1lUb859Pw2i5aliT//iqE0WjCJnsZO/d3NSE7Vc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00015