UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xB2PtzVZP0M1foChUZIzAPS81VySr5Ivrlbz5VtfYXo=' 
WHERE 
  key_id = '6e1833bafc0cc9603ef9ef7c3c268951fe0de9cc13b2c2a8600b274f74e2e476' 
  AND (
    token = 'xB2PtzVZP0M1foChUZIzAPS81VySr5Ivrlbz5VtfYXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )