UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PbYqPJTzg1EMTM9YkI27XlI2fUPs81zeWYIjR5AVhNk=' 
WHERE 
  key_id = '68594aac4cd83f29480e033f8166c07031b462580ada5d5bd087b466dba4fa73' 
  AND (
    token = 'PbYqPJTzg1EMTM9YkI27XlI2fUPs81zeWYIjR5AVhNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )