INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b484f8c0e5535ff7a8a7a5f75e904ae8849fb04975900b74439297d4b1d319', 
    'iw2rwfYcg0XtduMQw3rP1PwZnVYqHZWADfr6iUVjTX0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)