INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e9cf2cd4a1a8a91a7911078b024b4d1083884bc1ca62cc1f1f376781f2ff251b', 
    'bTajfEjfxlBT02fraf0ngP9eULEIs6beD0KqLIFbWf0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)