UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2AqFz/+BSSfWgd+wJL2Wr9cq9+2QfUD7UpxB6OeZok=' 
WHERE 
  key_id = '6809686fb2019cdb7f9beb316098b56c6cda9d68acc340c624a76f1aefeca44b' 
  AND (
    token = 'e2AqFz/+BSSfWgd+wJL2Wr9cq9+2QfUD7UpxB6OeZok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )