UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'RWQuJh2BYSs2gB4rJDSEo1eK6OM8za5p1HRCQpnBtdg=' 
WHERE 
  key_id = 'c7b94b14e2eb87afabf1998bee9e915bb73b3e62b03511ef3db9897f12fb006e' 
  AND (
    token = 'RWQuJh2BYSs2gB4rJDSEo1eK6OM8za5p1HRCQpnBtdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )