UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+T1zqvZDxppnlsUAnmT0tFpMnv6ljlnn9NJC9K68cg=' 
WHERE 
  key_id = '408d29bf56316f30f8af24c7938a60dc64ea2bcb2e1470aa8efc1d2fd0054665' 
  AND (
    token = 'a+T1zqvZDxppnlsUAnmT0tFpMnv6ljlnn9NJC9K68cg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )