UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DDCRBcW7uNXVFivgeKyGVyd2V6Qafkv3aH7lVPIT/Sk=' 
WHERE 
  key_id = '90f3fd71105427405713a4e138f0369ccd043daf24745fbc29acddcde7aea208' 
  AND (
    token = 'DDCRBcW7uNXVFivgeKyGVyd2V6Qafkv3aH7lVPIT/Sk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )