UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fNxncGimgw1jd3Qf5qPWe363debSqozgekUMkReuQmw=' 
WHERE 
  key_id = '02504b38b995605f5668384dd6c732e9d867cf3a8c6e0aa235a6e1f30cf57e14' 
  AND (
    token = 'fNxncGimgw1jd3Qf5qPWe363debSqozgekUMkReuQmw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )