UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S7z3VwdYLrcerO65Rn/6JwoJlMNYmeaKW5T0xXg5rVc=' 
WHERE 
  key_id = '7596c41ddef1891bef7f6094f460f1491cdeebebaf70ba057f0f74e49b1ddd2f' 
  AND (
    token = 'S7z3VwdYLrcerO65Rn/6JwoJlMNYmeaKW5T0xXg5rVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )