UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6w7Ea7U2bPqS0WLChvBvRJY5eMsXRn/RXi6nVD7YQBw=' 
WHERE 
  key_id = '15856d61d400df77b7e7ab9b8974cac0dc76b794df9152f6e06285b1d9833abe' 
  AND (
    token = '6w7Ea7U2bPqS0WLChvBvRJY5eMsXRn/RXi6nVD7YQBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030