UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elzKl7NAnZAXf6Negv0K29A2KoTRJLseWQlK4+eS+ew=' 
WHERE 
  key_id = 'd6c1c82f2f0765cef1aaddf975e83047e5de62c65752edc61086395e261e9655' 
  AND (
    token = 'elzKl7NAnZAXf6Negv0K29A2KoTRJLseWQlK4+eS+ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )