UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ST6G3TzlzxiGzyff9TCKsrhsBL0caHK/PuHZytPRt4=' 
WHERE 
  key_id = 'cdd81f50ec9f248552b1650fd541b09db065ba8c98f1c52ca3100724ae7d927c' 
  AND (
    token = '4ST6G3TzlzxiGzyff9TCKsrhsBL0caHK/PuHZytPRt4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )