UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MyG+mJpUx9Pkt57Q7MxJPWLd6yVMT7GAzOQJNWWtKXU=' 
WHERE 
  key_id = '80756edc861b3c486a715a3120e1a6cc06f4d4acb5d2ce9c02cccfd4148949fc' 
  AND (
    token = 'MyG+mJpUx9Pkt57Q7MxJPWLd6yVMT7GAzOQJNWWtKXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023