INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6cd6b52cf013d790adf3618c0f5b86d07e0d9c4baf559471d744a051d04c5d70', 
    'mlQEbaLUk6x0h9imtXz1z+uPsRVMcm5JBmdRmZnXdFc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)