INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'eb3e02abebe0e389e2a09797767164d69a4348153d1fd6b1826d51808048a68d', 
    'CQ/lB/7XQRtwwkm4tcYvJ9zTi9CnS6lg7Ab5LZ6ouUo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)