UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18S7pCjzL4QbcmeFdbO852d2pzuCGBsmXca7/DUUSUQ=' 
WHERE 
  key_id = '36d50c050ba1bc20d1a96c2c25ff7c43715b0442f1a25b32159be840b247a32a' 
  AND (
    token = '18S7pCjzL4QbcmeFdbO852d2pzuCGBsmXca7/DUUSUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )