UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r7sf8giZPOi63BkUWW5uHGKHN3CkHtCGJXo9wQnfOzs=' 
WHERE 
  key_id = '51fd41b7b9c1c1c7824e7891ef3bc837eb86198243ee45b5c7fe5cbada084ff9' 
  AND (
    token = 'r7sf8giZPOi63BkUWW5uHGKHN3CkHtCGJXo9wQnfOzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )