UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wREja/VRDyzuHF+JyePcQGKlW7JQRT4ZPXshZr+RIFc=' 
WHERE 
  key_id = 'f278fc251021b3fea2e66b90356e4c0869b5caf847f1146bca3ca5090a64d087' 
  AND (
    token = 'wREja/VRDyzuHF+JyePcQGKlW7JQRT4ZPXshZr+RIFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )