INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6521024186dcaf8c948065b42cd4a6c0fcf3e87f2a449171622baeff5ed238db', 
    'k1CpJosMyAGzxtHcRo7NuGfeenfryKEAcSh0AaKn/lQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)