UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'px/U8/42c7FeB3FU0dE96rr5BIDI4yscVYklLn43bEk=' 
WHERE 
  key_id = 'b4fb5f7c4263b682fa10e93a45533e8a575eae2a2fb2944efa3cb73f9ca715d3' 
  AND (
    token = 'px/U8/42c7FeB3FU0dE96rr5BIDI4yscVYklLn43bEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )