UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xi57xF45h5ulGAZx1EQ2/9nEKMfosgbast5cM9eAG+w=' 
WHERE 
  key_id = '5f603d6017c235a5e073fc329c0a562cc722f01493af09605ed979e4f8880620' 
  AND (
    token = 'xi57xF45h5ulGAZx1EQ2/9nEKMfosgbast5cM9eAG+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )