INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd51888808dc83ccf9ede021fc673491d38675b18f5fbddf41d825a892396637f', 
    '2UXKKr7cDHPLnxi48M2lAEndgi8CPQZ/pn1q+jETMns=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)