UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yOpCI8VZuF2wktL3tcngiScEyuFKUlQMTNe5Q6TksNE=' 
WHERE 
  key_id = 'b34a14aa43119dc9d8f96c216258d4d753ae8826869a75d1a27ab2a3f9a7cf79' 
  AND (
    token = 'yOpCI8VZuF2wktL3tcngiScEyuFKUlQMTNe5Q6TksNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )