UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eNVlrLuZlJIslaQh28GF1sqL3oM5L/t5XOLqg7kklLA=' 
WHERE 
  key_id = '50ec384b878c9fa15eeacafdef1490870637c60b30a9428b502f4df98a8cd841' 
  AND (
    token = 'eNVlrLuZlJIslaQh28GF1sqL3oM5L/t5XOLqg7kklLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )