INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '31381fa6e0cec09138d16f175272614ae7a99153de8657b9022a02b1d98eccc5', 
    '5jOeDP73kW9AuwM/elr+j2OUujIsfrNXhJQ9l2Eu5P4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)