UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '93sEPnDvlsnxrE3nRwlj7ymTdsAVsndPI8XPPcb00I0=' 
WHERE 
  key_id = '12c56ce7c155c56e118b0f2df9cd16f91298976531f19e4e877ead1221d78730' 
  AND (
    token = '93sEPnDvlsnxrE3nRwlj7ymTdsAVsndPI8XPPcb00I0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )