INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76ff20ef687d0caf44162b825aef26cf441ecc255592d5c80af010863fb0b876', 
    'B97dJLPnRDwsz7IVPzAI30wt+X3ShJ5lxKtbHYdHjEU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)