UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3vqZ4kl3reCPSFJ8dKx3y4TncqFB0a9OhDJsrScyiZM=' 
WHERE 
  key_id = 'b6b40fed8affe9908f35d39b6146fa1903001a50fe7160fed7e712199f185858' 
  AND (
    token = '3vqZ4kl3reCPSFJ8dKx3y4TncqFB0a9OhDJsrScyiZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )