INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f835f385b279bb5a591b8384fc483e86c97adf84c0bacfdc02b4b47e5c016d', 
    '4BY4MM3WBzmXhA56lONoJrtBdDysUUTXcALqj/u0Tb8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)