UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iQLizyAAhmjqT6DoS02tAYtjA5fZCUkdJUPx0kk+lnY=' 
WHERE 
  key_id = '39fb478874fb005b2b19f6720a6748c1770973eb9945d0f30e3566c929b050f6' 
  AND (
    token = 'iQLizyAAhmjqT6DoS02tAYtjA5fZCUkdJUPx0kk+lnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )