INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c99a352394e5d56428c791d9294fa64992d06b7c2e65195d192a36ccd5ff5ef', 
    'x0t5Zh2vcf3NO83GTx8jbpWUgMfRFpZTTPQTsnGoCwo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)