UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dx+1k/5DTcwZW120VieT3DyVGSTnsYMUmvLMQklcXrE=' 
WHERE 
  key_id = '3851637d4054d0b3784a2dfe6ae485f915b8c2a5992cacc6e505c0d3345996bd' 
  AND (
    token = 'dx+1k/5DTcwZW120VieT3DyVGSTnsYMUmvLMQklcXrE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )