UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eZGwp2Yy10NxMGML93Piiho2FqwgbjFAWXH1xaBcj5c=' 
WHERE 
  key_id = '4e266518ea158cea383be0f3bed4639eb2d7491ad2207b117d620666d3ed5a34' 
  AND (
    token = 'eZGwp2Yy10NxMGML93Piiho2FqwgbjFAWXH1xaBcj5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )