INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '838d5449ce48a8ee6c4d524612841e6a5c51909e6dec37cab9ea07ffbd113b01', 
    'LKk2Z0BJLQJYxsORI1mbAmVUUBFGQec8D5l2rpQYLug=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)