INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a1c2beb991fd050c75a89e93aa7fc41b6c2f5612cd983fd9b2b47a18d39b529d', 
    '+xaGArvrwzi0g0KTY9tLapF8fN935h4wL0NvTv03vPY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)