INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3f56dcfbe4ffb2fa1006550b41f536337be55db14b5fafd326ed337d4718b1da', 
    '+azJWRSbDjiHhAir8w9ho9zVvwk4xkTSPitOOZeWcAo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)