INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15504587bea09872cb826c32e252390dca94033e3a393e014f61df051e3293cd', 
    'cN/Wo8UNo6N0OcWF4le9gOLSPRjCDacniZ8c6SmGbsc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)