UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DFjG49eQcMwtEZTe2tEZgA+7L/TSLuqGT+VKt/sslb0=' 
WHERE 
  key_id = '20437bd3c4e3b24d5c2668b506b5ef1dca897c6b8e011cd9af8bc046275b2794' 
  AND (
    token = 'DFjG49eQcMwtEZTe2tEZgA+7L/TSLuqGT+VKt/sslb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )