INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3efc5ff05b2e8118c1caff1c31538f26cada59ee1a0e9a55c2d1b7255175de7e', 
    '45SWOKhTEEx7ljUBho1FVZ//gaYExky5h4GvW5p5wTI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)