UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yVjJMYoVgH8SuICNC7GYnjGDFiW1hQBq4+5VXRm2PmA=' 
WHERE 
  key_id = '4c5452c1b27f7f0df78104facd5456792de5c9886f26730dd7b7e58cddb3cb5b' 
  AND (
    token = 'yVjJMYoVgH8SuICNC7GYnjGDFiW1hQBq4+5VXRm2PmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )