UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xhQlwnwrzoGNKfEzdOZuujf6+Nf27c+dGBSJT3um6BU=' 
WHERE 
  key_id = '785f6dc02897f7201b2b71d7635925bb77a5d0908266d625030543233533986c' 
  AND (
    token = 'xhQlwnwrzoGNKfEzdOZuujf6+Nf27c+dGBSJT3um6BU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )