UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Btx15gmRvtAvWHDI9A+ou6/sJ4oCH56tynVW3y2lwE4=' 
WHERE 
  key_id = '2911d3bb68df8cea76f9f33602633a787b21ac49e0f50f21546226566ec4d151' 
  AND (
    token = 'Btx15gmRvtAvWHDI9A+ou6/sJ4oCH56tynVW3y2lwE4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )