UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/Vf3PAEHLohYJDqLwQk4P1WrCNmomUTyFNp2jacCsA=' 
WHERE 
  key_id = '871e80ec498dc0776c1ccb20a2a2fed65db7febb91d609e7363d22ff6c74b4b2' 
  AND (
    token = 'k/Vf3PAEHLohYJDqLwQk4P1WrCNmomUTyFNp2jacCsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )