UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDZGGDmGwFhPzB2BvQFxVkMj4/gQoCX7p6IMZnAHBFI=' 
WHERE 
  key_id = '42186f65364c6cfd916d4794611b7d2570991ae475de9467124f77b1e206df5a' 
  AND (
    token = 'MDZGGDmGwFhPzB2BvQFxVkMj4/gQoCX7p6IMZnAHBFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )