UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dmkmyVlnLv7w51m2cKN+5ZdVemmOp7MtLLCgFue1HAo=' 
WHERE 
  key_id = '79f11d6d915db5c409496cee427515bce7c74e44481ad008edd96fd21aadd199' 
  AND (
    token = 'dmkmyVlnLv7w51m2cKN+5ZdVemmOp7MtLLCgFue1HAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )