UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wvlneZMMqCqltKA8qLZr4ZSe2bRPdGDsfgBLoBDyXLk=' 
WHERE 
  key_id = 'b20c267f365396b7d4dad930af32a5a58d93c780622653dde943937bfcf271da' 
  AND (
    token = 'wvlneZMMqCqltKA8qLZr4ZSe2bRPdGDsfgBLoBDyXLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )