INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '378ee3910635d4179f97bf31cdf22cb0453a78a049d69a0a268f2a47512ce8ae', 
    '391AotAxSec+GiVVt6Cei9mNdHZvMAG5UcGddtVQ8mY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)