UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eBuKZwruoqf6FI1bgCuLmZmd6q2F1fu7E00blZeSXt8=' 
WHERE 
  key_id = 'c31e2475267444007baa11894cc54e52167f41c3411f7894cdcb89d0ac0372e5' 
  AND (
    token = 'eBuKZwruoqf6FI1bgCuLmZmd6q2F1fu7E00blZeSXt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )