UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4GqpHnTujAShJ0KUJ/b2tX9ESEiwiiwsmw3xDBLT8nc=' 
WHERE 
  key_id = '6c1ce8bbd1de62b7c0a54f40d9749321f6444b699b47fe7cdb89a0922f2f5106' 
  AND (
    token = '4GqpHnTujAShJ0KUJ/b2tX9ESEiwiiwsmw3xDBLT8nc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )