INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f21cadfe1b03dfbb6861c197262d8e60c16a4d47da2346c5eb82b5021e376f71', 
    'mdkvSe5HXrBV85cvogBNrZkAf09QRpj4s4knyqE3C4k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)