UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/Lxmq9oj3/srRaNIRH4VxG28Weru5QP20k8kwLbJyg=' 
WHERE 
  key_id = '624d597e4d86fdbf2d814945e446d3d06e9fa12ae94275402ae5703676b48d44' 
  AND (
    token = 'r/Lxmq9oj3/srRaNIRH4VxG28Weru5QP20k8kwLbJyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )