UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MygDIeniC/EYL8ZsgtUjGi73kTt7MrnP8Q6L6QmpYbk=' 
WHERE 
  key_id = '2e4646d2759bad75e48a13fd73b057e63644e789f49459fbe19abdd657ee8e4c' 
  AND (
    token = 'MygDIeniC/EYL8ZsgtUjGi73kTt7MrnP8Q6L6QmpYbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )