UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MG8gDgKZFK2AHOAzOQ3Go/+L34BdrHBNzQffsXiOt0E=' 
WHERE 
  key_id = 'b46d74748725ba8d567324d6db607c4030c1f396d787fc29755fe8a015bcb488' 
  AND (
    token = 'MG8gDgKZFK2AHOAzOQ3Go/+L34BdrHBNzQffsXiOt0E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )