UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PzS5FIqAWvf/KL3efydoXZeu0+QdrdbE548D5PWezo4=' 
WHERE 
  key_id = '4eca27bf0d630c610831d80dd53a4dbdd86e92395a71656b8a5d813d8d856bda' 
  AND (
    token = 'PzS5FIqAWvf/KL3efydoXZeu0+QdrdbE548D5PWezo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )