UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'zEvHYNVdHD0ClwPv/4ejMrE4cf4/oIPgvA6S4EhWGWM=' 
WHERE 
  key_id = '0fce484d5b616f6f8437cddbb9324b3110488a1a40345374450067d22fd76881' 
  AND (
    token = 'zEvHYNVdHD0ClwPv/4ejMrE4cf4/oIPgvA6S4EhWGWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )