UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'knSsEJM1ipuIhCG0CM8vbANJCaDbTymgzVhnunGJJYs=' 
WHERE 
  key_id = '194ebd0913bb419158e9f15e16eb6abb82c91f06b1efcb5c0dd11fe0943cb408' 
  AND (
    token = 'knSsEJM1ipuIhCG0CM8vbANJCaDbTymgzVhnunGJJYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )