INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81b42ef0e33c66cae84e39fce8d2805650d3e607b9ad51d9651a0984de7cf91f', 
    'f7mfrObQcsroXgvmPmn5zG1B19i9BjAc7PUBamyd4sU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)