UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KT2jkeb7l/0vOq/lq+gRGIE/0TO5SriQIevg2i+0+N4=' 
WHERE 
  key_id = '51d0f78bbdcc93ef394b8ea94fc81090db1164a5f201cda6c66bc8acb763a977' 
  AND (
    token = 'KT2jkeb7l/0vOq/lq+gRGIE/0TO5SriQIevg2i+0+N4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )