UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZu2yR1aUuSmoq3ohnvZBlQVshmTHNWsKyZWqNfKTbo=' 
WHERE 
  key_id = '1d4e4ef91ceb11af130d5c36a81b6fa2134051f559905ea8e47b3975ba13fe37' 
  AND (
    token = 'BZu2yR1aUuSmoq3ohnvZBlQVshmTHNWsKyZWqNfKTbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )