UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'km1UKpvArQ83Yc1jnllMFQ41cUkjT2o/Qv0+YRRf/EE=' 
WHERE 
  key_id = '91634a0aa37e96614c21f936eec951b6866fa55af155a943751118ef968798a5' 
  AND (
    token = 'km1UKpvArQ83Yc1jnllMFQ41cUkjT2o/Qv0+YRRf/EE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )