INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ce55bcc749bfda1d1859710d08c9bfdb19d029e59ff6945533e92f7a0582d692', 
    'eKmiAZSLqgfwobDOIbp+Fb2R8WFqGdIDtm/ynuU3sjs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)