INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8f32537d9eb9b9a008b58018f331930021d1281ad31f98037945b7182796e34', 
    'z9lnN9XvVvu3QS56/cyZaXymIGXd7D4VSXo4WDmCjQc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)