INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '256988771b869b2f4caea120984a7823430596cee997afa68d6e4802736f0cd5', 
    'Uw2+81kb4foyivfaWe7GCtFM0hELFYXcX9YR7OXR9AI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00074

Result

int(1)