UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxI078kODsWL+a0A7ctaeuVq7mfG/fM8MYG/GdLrJOg=' 
WHERE 
  key_id = '78541025427b722b356f1b6848b5229320d755f574b9120cec8d5110ac03f311' 
  AND (
    token = 'vxI078kODsWL+a0A7ctaeuVq7mfG/fM8MYG/GdLrJOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )