UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uOByxovigSKt1dzzkCy+qHBPE2eq2yi5qNyC/WoAFlw=' 
WHERE 
  key_id = '6e7a73b587401a9f5584514d23bd9950f8b3dba67aa9d6af32192f42a9ea5ba0' 
  AND (
    token = 'uOByxovigSKt1dzzkCy+qHBPE2eq2yi5qNyC/WoAFlw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )