UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'guFxheI2OYMJIs0cYf97asEEV0ulLAH9URxFJrB/NFI=' 
WHERE 
  key_id = '6c6df2f7dea96e1fab4289973c0a576a86a703fedba020eade9b7aee712776a2' 
  AND (
    token = 'guFxheI2OYMJIs0cYf97asEEV0ulLAH9URxFJrB/NFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )