UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VpC2n4RttoLzBuabHcF0vDJMXhFVPfTogw6RNswUZhc=' 
WHERE 
  key_id = '4e1f595d7900cfc47a8b585d17de528a1439de4f4c499620b401df799a1ea0dd' 
  AND (
    token = 'VpC2n4RttoLzBuabHcF0vDJMXhFVPfTogw6RNswUZhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )