UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5z3xRUWSF0JGSmlagzp1eyQhFenCoJYvGSyWnNKLIm8=' 
WHERE 
  key_id = '1981c38b28b4c27369405720c6954c19799f90acc5c3462a4455ef3da966e1a8' 
  AND (
    token = '5z3xRUWSF0JGSmlagzp1eyQhFenCoJYvGSyWnNKLIm8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )