INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b51812cc19ed74af5c69b0c66df784bd103a5f102c9172969aaedf28737a2ab2', 
    'ICRbDj6DIZdRMj5J7aRT1HVkFAw/MzpAnMA4ih5xgiA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)