UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51t5Ao3JUopH1sKB4rQO4+UU9xN8CtFEZqSgfapfZHg=' 
WHERE 
  key_id = '7ddbc70a390a2202945f18dd78ca44f79e166ba14f4e30414de82244d36c837e' 
  AND (
    token = '51t5Ao3JUopH1sKB4rQO4+UU9xN8CtFEZqSgfapfZHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )