INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '85614e28a6509b89fa90702546471b5b9d2bd4e40d1a4917c58597404383503e', 
    '51e5jbFYMBTUGbvXMpAbFTu0JC2SwS0POm1QfLzjeUk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)