UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mws46Mij/FZRljKsMoWjTjxkfxN8JINZO/g8PAksjN0=' 
WHERE 
  key_id = '51e5315364d331a7f91966386e94fe9861af8ff82a0c772af4a2a4b8370915be' 
  AND (
    token = 'mws46Mij/FZRljKsMoWjTjxkfxN8JINZO/g8PAksjN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )