INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '55915a3afd33aa5bef788ba4d60ab1ebdf807010a2521c1ebe7b60c7196524c9', 
    'zOQED8+b5iOr2IUmpzKr9QZTQY399j2nBj3iRH0m++E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)