INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '191bbc148c8fe5d88dd9ae04246580c5a16605f38ac1782f086593a9a488def2', 
    'T/Kx7QpQHTDOI9QFJv+Pko1U7rEWHF3JjBGjXaenbMY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)