INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6f4a2308a5625fd604e57573097421a779c537ae373838f6c3185df87d701b4', 
    '+GPwZmGtPg6aRY3nXvXlgkVUI90CUBQMCoG7upe0afU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)