UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b79eYtQYAyEMnAkdjbYg8J11ex4Ey66tlMaJItyvCvs=' 
WHERE 
  key_id = '694ca77a340cec9ee30aa1dafc79dc03005d0c49d0658e200579f63a45877a2e' 
  AND (
    token = 'b79eYtQYAyEMnAkdjbYg8J11ex4Ey66tlMaJItyvCvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )