INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f50db8d9ead1d92e77ddd2daaf4cf3912d6b1c26449cd1d2b052f613bea4493', 
    'rMScuTl3+a1jRgbIEYwJzoL5moMK3cVeWp7SG+PovSs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)