INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51bfbb3cfa5db09b97369bca5428864592be7a79b33c30c4be75dc79216d1b75', 
    'PO4sJtWzICz3UrbhA/VDw1idZ7dqqL1y3LwZuC3KMjo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)