UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T+51uAW0HOZdzwQh7EixHgVnROSfho0xJbnjrmW1lg0=' 
WHERE 
  key_id = 'b82662d761c39447eb3c8761cb4d462223a240fd05df4fe21f9361ad8cff8866' 
  AND (
    token = 'T+51uAW0HOZdzwQh7EixHgVnROSfho0xJbnjrmW1lg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )