UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cfA+JRakP1uD7ecTSREsZ7cqVt247SPpNS5S0uUlJlA=' 
WHERE 
  key_id = '449617396b104ba5e92e13f73ce8600489f9f1d3d552dc8a2437aaafb269fde4' 
  AND (
    token = 'cfA+JRakP1uD7ecTSREsZ7cqVt247SPpNS5S0uUlJlA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )