INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6c12dabdbbaf55efa3e31d499821d3b67690503aed30f8041561f0342bd78dc', 
    'eMHRKT6/8yVjBp5B8Jxs2cUbJOFZQK2UAsz9QIzADZk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)