INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ac0d10e664d3fde8cb70fa6e4f6e2d444f89888f66a3916ba91569d9d75ecb', 
    'G9pPCJuNX5rheOOtuIHHyZ5Rk1tXdiOVG0+FCboL//I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)