UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RczrUmYnKOf5EgYqETOdeWVB58dFnltY2l8aCAWEKeA=' 
WHERE 
  key_id = '7a87b681bb948036de05318a3ef18b92e8128d5891dff919ec60d6b23474f535' 
  AND (
    token = 'RczrUmYnKOf5EgYqETOdeWVB58dFnltY2l8aCAWEKeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )