UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tZH0Qyo1PFUlN7yw0asjfpbHQTXbqDq8TyRX5yHiLSs=' 
WHERE 
  key_id = '6f525bc50cd4187047709664acc9b7e79f7eb605677741cb424caaaea4d90e31' 
  AND (
    token = 'tZH0Qyo1PFUlN7yw0asjfpbHQTXbqDq8TyRX5yHiLSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )