UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkeCaQRfZ1rXSNcfx/8xkApoLzJEvIbQdlGA/GRpE2A=' 
WHERE 
  key_id = 'c704e0b511e20c44d859ad525789cc3b3ba69bfe5af9988940a423443812e5fe' 
  AND (
    token = 'RkeCaQRfZ1rXSNcfx/8xkApoLzJEvIbQdlGA/GRpE2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )