UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lVJgGe+1uopXpd1VznwBaydLWeCAlaAbC8XR9o7g6H8=' 
WHERE 
  key_id = '2638f0940a633a50edef80ca7add5889dd84613884305de2c39b1ca88c179736' 
  AND (
    token = 'lVJgGe+1uopXpd1VznwBaydLWeCAlaAbC8XR9o7g6H8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )