INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '278ea09cc50248bf64f4a0b3312cd2fc415d45630a363b9f3702189f7db57319', 
    '+j2hk3AAzmjELNQrS1rgldktZecyF9nqgNGOG5xbq2s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)