UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b46MKBMEZYRBkekC5Il85/Rb5TQ29QrSvVYavlUJ2xA=' 
WHERE 
  key_id = '596b54093c7c5cba2f2a9475b635b05fd262ca339b48a098c7590539195e325b' 
  AND (
    token = 'b46MKBMEZYRBkekC5Il85/Rb5TQ29QrSvVYavlUJ2xA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )