INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4e192f8051ce0a9b94007ab1dfc4397530bfc438dd007bbd9b7f816f6988619', 
    'pnku9w1pV4s0Qxp7M5X8O79XLg+MY/vl2NE0qDFBUCI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)