UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qRuwlIevCzBuv7qPtA85/5x0WUC4BAGRKa23Fcxg17c=' 
WHERE 
  key_id = 'c8e24fb7e6b18e8bfff870281047d26a5327b84759b09c3df089b036e68fde2c' 
  AND (
    token = 'qRuwlIevCzBuv7qPtA85/5x0WUC4BAGRKa23Fcxg17c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )