INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a675696843aa5cb0b9bcb7b0fdaac0d7255656c35fb2ee99a1cb7f38ca79732d', 
    'U28tPIpF40ABElWi01fBbVprZNE5+YUryksM8cNusuk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)