UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x+fhEW7C8wwbJFiRG5Lzl8QKNoZbOvBF5XgUR4oEZlU=' 
WHERE 
  key_id = '4b121063a2ede2a9670c1374336ed5e04f7b653a2a51d02113b092386276d8b2' 
  AND (
    token = 'x+fhEW7C8wwbJFiRG5Lzl8QKNoZbOvBF5XgUR4oEZlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )