INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a3d55a3610120ea96bfa5617e85e6f5fe158887433fc0bd182d2f3dbcfbb2a', 
    '5wURrvI8tU+Ug2HZBChTsXcxQAbxOSWEpWdSt+VpVXY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)