INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8402b39ad7e97d5378e9fde5ceb423f3390769a5fdd332a41ded0e76a8203be', 
    'eI6UTZ4YUOQzB3mzwyHg1hK7jTOcGCSEjmzK7idyGhg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)