UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4KmX4u+vneBVyJgPx3/P7Ug5KwkX4OTZXLmvRrycfq4=' 
WHERE 
  key_id = '768e8382da60078b15101748ad8a6b12d7b501f8b6706e8d4eadccedce8372c2' 
  AND (
    token = '4KmX4u+vneBVyJgPx3/P7Ug5KwkX4OTZXLmvRrycfq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )