INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '87645ebf31d6de917a603a89fee09423d748f81ecf1d9d72842e59df46b7def3', 
    'mixAYMVEpx5TtEnVlteYZR5rOD371fwCf6ruGm4J/V8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)