UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+V4evtTzobmuZ5sgqmGyNShfPa0FyT/QvTh5LLa+pA=' 
WHERE 
  key_id = '3c975a8040c6854dc0592d9e3f08128b08ee4893f0b2300bbf8fef670a592e8b' 
  AND (
    token = 'u+V4evtTzobmuZ5sgqmGyNShfPa0FyT/QvTh5LLa+pA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )