UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'efhYrExh/5tizXTfx17mYflRBpyudGq2DAZH8xoGaNs=' 
WHERE 
  key_id = '822edc6530e3da734cdc107aabe0751df6d3681ecd89f538516bb15ef461643e' 
  AND (
    token = 'efhYrExh/5tizXTfx17mYflRBpyudGq2DAZH8xoGaNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )