UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+O6F7LvYSULbIcHNW5x44Tj3uKJrEAHo+O67gWp67QE=' 
WHERE 
  key_id = 'd24998e24cdc1c2157a8a3d7930ec07d069e9746abd6a8b73f9aafe53bd59444' 
  AND (
    token = '+O6F7LvYSULbIcHNW5x44Tj3uKJrEAHo+O67gWp67QE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )