INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8e15e6a44b66d306c1b31bb3a510352e9e39adbf617c0e6608403fe82e6aaad', 
    'oHm22gD1sm5iYrldeKlom9/aCvAurHXIpubvbO0Zv4Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)