UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A6TJC7u69HjZ7KS9AlVx/tCDAtxqP1fx0XjLEgk8SSw=' 
WHERE 
  key_id = '4d9c0730d9229dd6343544a69e626a465b5890cc2e08ff25197eac7225518418' 
  AND (
    token = 'A6TJC7u69HjZ7KS9AlVx/tCDAtxqP1fx0XjLEgk8SSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )