INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '31d15528b608c7ba22d038958c4f90a99b1b62e6e4b35a64619704cd7e0abcf8', 
    'US6Rc6l7dLZKAOPJ3cWXO8wmjnkFil9NomqSDN2R3K0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)