INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '247a48967caa06602bc0a3b5491dfd8788217b7d2776f6f38d77987508e03ece', 
    '//u6i9ukIVhxYwpz81kRwE0KMo2uZMCecoVvUueH6ZM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)