INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6884b686dfce6b1171402f9733b3cd51e98bf3dafb7e60a2d9838d90f02f11be', 
    'kbR7tXLQ0WKDvHVwm3c+3Vqfa5oiae+DD61yb2MuAig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)