INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6ed77fd85fe9dfb714b66221f48af17d0a1b23a30f2a2c7ae58d6db10f88681', 
    '4tu+7sBkHLozxrFU6XABvuHJAU8hz2+ePvXDGed2lVk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)