UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UIXbVa3M0A3FCbqz5EXai2o2EG8nMgvxjs6lm8cx+co=' 
WHERE 
  key_id = '27f3bc511e0379012c15e7040c47b736a7142463e2e31134a293fd30c5613627' 
  AND (
    token = 'UIXbVa3M0A3FCbqz5EXai2o2EG8nMgvxjs6lm8cx+co=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )