INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6753b62b2c69a12efc404913e6f3b3cdc5cf2b25139a0ef0128a30430a2cefe8', 
    'yqqmXF4jGR37qNukagWTVWpJup2rF8JdVoA9Cucs+i8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00052

Result

int(1)