UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kv3Qs2gJRZbpR8IPsx8eL8EfB1BxfQxBibMHSSFdKLE=' 
WHERE 
  key_id = '51b35640d99be8b285f911cde039d2ccaf65a719ffd395592ec47391308a4ef2' 
  AND (
    token = 'kv3Qs2gJRZbpR8IPsx8eL8EfB1BxfQxBibMHSSFdKLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )