UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ldwk4pSslxwHbxpH4vBJ8Z5VQLdG8Ob86ZaHbIXLDk4=' 
WHERE 
  key_id = 'd51328a42426f7573d0b2e44887c428d97faa3792c523acf3a4ee7fb904aedff' 
  AND (
    token = 'ldwk4pSslxwHbxpH4vBJ8Z5VQLdG8Ob86ZaHbIXLDk4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )