INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd78d8c944d36a6add71285614b1b47d78af317b3eb627a82780273f6243b646a', 
    'zulhmrL0PeedDVIiRMu4LB//Sbsm0QzQcur0Oeoxjcs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)