INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ce3e9404d0b8bcee002539f2fcecc520734a7938956bd9d48a0673588d6b224', 
    'U2rywvsevbLf4eMgVhfIC5xdJHPMzXX7llN8IgDKnZI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)