INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '29268000b268e1c747a9e4a93e6bf540539ea4da0853bc986498453eb74e92e6', 
    'dn+HWzKCoTf7SkSDTQlWwZFqXJuLvAOHcVGuMv//RTg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)