UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2WSGnKnvjs5F99c7vPBkeA6909UzGJTenyHhoerOOIg=' 
WHERE 
  key_id = '4eb8a50884e239be82b4061d4f9303e2c0c72893f0f77f99cfc01ae25233cf4c' 
  AND (
    token = '2WSGnKnvjs5F99c7vPBkeA6909UzGJTenyHhoerOOIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )