UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pu/rhRXwZOMaNLKHecYk4j2wunihbx9IfYIgOM9dmK8=' 
WHERE 
  key_id = '2a18e611678e13fa8d2cc36aa472cabf0d54057c040bc962c5d42641d7520f2f' 
  AND (
    token = 'Pu/rhRXwZOMaNLKHecYk4j2wunihbx9IfYIgOM9dmK8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )