UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6f6vl8uWYvu/JIb1vHnluqv+SxWqyNF+/zGxX2RiB6w=' 
WHERE 
  key_id = '921603e84a79e6b57c2b8abd5dbca603000b1cd60bad5396b682a3740ccdb8d8' 
  AND (
    token = '6f6vl8uWYvu/JIb1vHnluqv+SxWqyNF+/zGxX2RiB6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )