UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pi2/n/xkrM38tAsoj8BrPpH1BGJgY5I87ENhDR1aOmU=' 
WHERE 
  key_id = '4cdac2b78ac7a88fe336a9a886386dfe1387bf7af5f815a103a0d2b6bd4ffb1c' 
  AND (
    token = 'Pi2/n/xkrM38tAsoj8BrPpH1BGJgY5I87ENhDR1aOmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )