UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNrT+ltkKDNxtGsICWunjrQWwcYpkVSMAjNQkOociEs=' 
WHERE 
  key_id = '6c296c20d2c36ed7573769659a5c6c007f569350e2656dd4a5098b1670073dec' 
  AND (
    token = 'PNrT+ltkKDNxtGsICWunjrQWwcYpkVSMAjNQkOociEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )