UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zZ8Pf/6bhBq5HmPfcmwMlcJo2kCpB8ZttCqU45IvtIQ=' 
WHERE 
  key_id = '6d3aff90871b5f0e2be3042b2b5b2c854fc594a73715795b1094a48643fa9584' 
  AND (
    token = 'zZ8Pf/6bhBq5HmPfcmwMlcJo2kCpB8ZttCqU45IvtIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )