INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a31077c5b5a9022546349f3f76f6840d992243c99e6dce26eda7a87fb6ed78af', 
    'aDWnfD9nLpcLBrmFjFkbNc52q3Ianj5JobvfjmE8tPs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)