UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vKJWY2oT40oOWOyjvOOm54oyXgBsxiVR5Ks0YWLpvu8=' 
WHERE 
  key_id = '6d4926390ab90041cf3e66b85f1b3f6a8b1276d2c1ac48c30919af241e71522f' 
  AND (
    token = 'vKJWY2oT40oOWOyjvOOm54oyXgBsxiVR5Ks0YWLpvu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )