UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rex0QrsTMYaRXRKdd3o5veOMfNgmqzr3KJKnlPfgCXc=' 
WHERE 
  key_id = '9af02912a1109e29e93a53c6130ae3baace47cd4d02337492e12ee7e93b3c47f' 
  AND (
    token = 'rex0QrsTMYaRXRKdd3o5veOMfNgmqzr3KJKnlPfgCXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )