UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'om6Dx4AgYFkKhaemvEcbMmE/1VnoE7vIHp0RSEXfp1A=' 
WHERE 
  key_id = '398c2d4c84eba15e25c4bc2ef54d0a1f05df6f6304ae51efce81cc1bde71d763' 
  AND (
    token = 'om6Dx4AgYFkKhaemvEcbMmE/1VnoE7vIHp0RSEXfp1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )