UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'ikhAEEVJpi+1zhwtZlh4pKKGK6fTtB/yp2LqWyCu3XM=' 
WHERE 
  key_id = '6fc733931a9b0201997cf9672d5f01ff0fd8d1a5e1c3b608b4f8560ff0540ea2' 
  AND (
    token = 'ikhAEEVJpi+1zhwtZlh4pKKGK6fTtB/yp2LqWyCu3XM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )