UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DSMqpSHGt+3gbj8R4rUNhfJgtgI4vNS1yn6ZGJya/XY=' 
WHERE 
  key_id = 'e4b3b0ce311cca55d11d80afbff2d3c7ed527901cbad30d0e22b850394039b96' 
  AND (
    token = 'DSMqpSHGt+3gbj8R4rUNhfJgtgI4vNS1yn6ZGJya/XY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )