UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't43ccvqxHI4T0vjk0xkiU13EOrtvugc3VYv0Tn4TQsU=' 
WHERE 
  key_id = '94a5f8bdd976f1cb5f63d77b774a1ca6ddbb579102c27b4f69d6365617b07a69' 
  AND (
    token = 't43ccvqxHI4T0vjk0xkiU13EOrtvugc3VYv0Tn4TQsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )