UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKpMkv1BNSigzW3Qcj1X68BHtT3aVez0ZO2ZvYXPjsU=' 
WHERE 
  key_id = '42c456d9a883f65fd98e75c71110635664096ca9c091c91e9e0392f961e424bb' 
  AND (
    token = 'PKpMkv1BNSigzW3Qcj1X68BHtT3aVez0ZO2ZvYXPjsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )