UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RXPisxBq1gUlqxnMaEPz+BLlkv+jpXJOE7oicr0LoVU=' 
WHERE 
  key_id = '7df528d85fb489cb5c94a6b3f524405e2ff5425b67a25b0b2793ff2b61b97576' 
  AND (
    token = 'RXPisxBq1gUlqxnMaEPz+BLlkv+jpXJOE7oicr0LoVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )