INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f21d3e4f39df03785def4edf2763088553b0dfb504720d8a270c07e42135949c', 
    'wka3goeAq15vhnBg0QcSYccwpSYh7XvYbvXxyHLHhS8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)