UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ea/3i8Q579ot1uGOJ9yxPMkfVaSp1/ArXn7eO1CdXN8=' 
WHERE 
  key_id = '97d6bf9d2cf416c512f008006a1576b6c14e7484a6a6b1fd70256382e34fd966' 
  AND (
    token = 'Ea/3i8Q579ot1uGOJ9yxPMkfVaSp1/ArXn7eO1CdXN8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )