UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n0rBc1PTWLJ50Zm/MZIybpolmcSHMEGCVM8O5kYh00s=' 
WHERE 
  key_id = 'dc1ba931820527e9a7872492cc0c401c7933c3ee46cb55a03decce4ed08c138a' 
  AND (
    token = 'n0rBc1PTWLJ50Zm/MZIybpolmcSHMEGCVM8O5kYh00s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )