UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S9sjgAg1tWIAN56fw6mBNbb1a1ImGP/7nvQg0ll0BR0=' 
WHERE 
  key_id = '5d8f6e7105e1e141fe04a59d8ec8a304573699558ad5038b02a64e8fa26c8437' 
  AND (
    token = 'S9sjgAg1tWIAN56fw6mBNbb1a1ImGP/7nvQg0ll0BR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )