UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd/efJbH5d2bd9Ye3lPbMw951Kz3Sy5067WThcdRXG1k=' 
WHERE 
  key_id = '5b48db3f029969406b500fbb5a854dccced28719db1315bd818614df2ab90e6f' 
  AND (
    token = 'd/efJbH5d2bd9Ye3lPbMw951Kz3Sy5067WThcdRXG1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )