INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '389eb78908f930204a9a3f021d69649839a3a61a4cc076e8d53b72de067a912d', 
    'AW3RUvxOmWYCwOpUPNQVj7T5rhRpks80ixYTO+OWzps=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00048

Result

int(1)