UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pz3dSE7o4TauLBotaD2jtI5rXtLZkdPqk9/7QAfibsE=' 
WHERE 
  key_id = '8c981fee66a64c54cb6511d6b62efdf5c77a03b8e8184c81f2305069c0d90b69' 
  AND (
    token = 'pz3dSE7o4TauLBotaD2jtI5rXtLZkdPqk9/7QAfibsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )