INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51a9b3b29d2a0e294fecf16f99e782512869e012a59db744301cba4549024127', 
    'f2oQNG+Ymx7dDcyiYDMoBIr7zMqwlFbK83nCuEZgkcg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)