UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tBurRHscYNFVFqFTQDBpfYgsaXP3bHveGF6BrDLf79M=' 
WHERE 
  key_id = 'b2b257ca286cc1bc730c3a26d0ef0ad0ab3cc494c72b1f967fa6d787d979c0b2' 
  AND (
    token = 'tBurRHscYNFVFqFTQDBpfYgsaXP3bHveGF6BrDLf79M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )