UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XJBfhI8nGn1QfRL7KbNNpDsojsWYesrClt//WPZam28=' 
WHERE 
  key_id = '794c1cc8e2a1130ba058eabd26d116655b7796718561e4788291634260950e8e' 
  AND (
    token = 'XJBfhI8nGn1QfRL7KbNNpDsojsWYesrClt//WPZam28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )