UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Rl17/e/tmryPfFBlz71w6TeydwgAqUVrbdV1aDqsdw=' 
WHERE 
  key_id = '6aafa89d2313ef72939459589c7f1bc57099c6ade905143650aaddee015b1278' 
  AND (
    token = '+Rl17/e/tmryPfFBlz71w6TeydwgAqUVrbdV1aDqsdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )