UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nnzWhflUFQIKOTTBwRD+0fDCIIW1FANFEM0gVZ/EtZo=' 
WHERE 
  key_id = '273af667dad844208e1505e4e2aa81e9237fdce2b973a4753e44bea5ad4d20ab' 
  AND (
    token = 'nnzWhflUFQIKOTTBwRD+0fDCIIW1FANFEM0gVZ/EtZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )