UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KOr0NN/LcHpRp37560mvIwxSl7hmOy0W8GaWrpz7mkk=' 
WHERE 
  key_id = '47ac4938231dd05b844690125c678098b1acc47e70337a40d57f78e60a6b9a3c' 
  AND (
    token = 'KOr0NN/LcHpRp37560mvIwxSl7hmOy0W8GaWrpz7mkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )