INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15f170cf022e0538ce006b56ebca03c330c305e934f5fe324bfa31841930783f', 
    'OWVZBWch2iF9PrMX3vz8dbLjuFFw/d7fyG7hTWBggT8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)