UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Ai/wiS3GvRaykyYjMx2biavQJjiGKauwXC7Z7AA+JM=' 
WHERE 
  key_id = 'f069bba3f79c78f88b3714efc2db2976233d42f3d1705b45de90da6a63c12e83' 
  AND (
    token = '6Ai/wiS3GvRaykyYjMx2biavQJjiGKauwXC7Z7AA+JM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )