UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6htv5fZk4QcuyssvdEisB2MVZRK5dcBlUhxzicIT8GQ=' 
WHERE 
  key_id = '5b34629e33d8efb9790449aaee05ac21749d347fb8dd5fab4bef208608e1a683' 
  AND (
    token = '6htv5fZk4QcuyssvdEisB2MVZRK5dcBlUhxzicIT8GQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )