INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fc520b735f18ca2619c0b88c62c540601959a6167ca522add9815d5b06466d76', 
    'PuIVxmeF3MoNIE7XRchYuo2nmrYQVaoj09dLWHUpCgs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)