UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NxW0BJvm8u9bnPBfFrVQykljBhUMMthqApnuorUh20U=' 
WHERE 
  key_id = '1d91adbe31505f52df6180f9323f64df5456a128debf2e5f8849459dcd500689' 
  AND (
    token = 'NxW0BJvm8u9bnPBfFrVQykljBhUMMthqApnuorUh20U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )