UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Vd7IaP1g9qtn+ZZ1zuqObRWLMj4H7TyMmjNLy/zEwI=' 
WHERE 
  key_id = '21de601b7fa186d40b0b937311ad1481c5e5d0e3c21c26edc775a51c2955419f' 
  AND (
    token = '5Vd7IaP1g9qtn+ZZ1zuqObRWLMj4H7TyMmjNLy/zEwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )