INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '251b10d37bc783252a5ddc4d472c3903e73e6c479b3de1644badd256e2d44637', 
    '6RYtNVQVFP1rDTZSoCqN4TNUnxxC9AJDAySJptSTr14=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)