UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ekYaw1LhfyVMFsuUMmoNWbmdTAxA1Dm9A63SiXSWcc=' 
WHERE 
  key_id = '6a81f547e927f64490806fb90308e33a53c33452f72a69afd17c0663bb0f0074' 
  AND (
    token = '/ekYaw1LhfyVMFsuUMmoNWbmdTAxA1Dm9A63SiXSWcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )