UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2k5BvKjCrs6O9u7cqxcK1usHrLg8kMI45pS+4MCUFcM=' 
WHERE 
  key_id = '1c304c1a081bc7d673f55c133b57e30352f1808542a0b71127bfce85d5f129b2' 
  AND (
    token = '2k5BvKjCrs6O9u7cqxcK1usHrLg8kMI45pS+4MCUFcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )