INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51cbbe2ed077df7fcadf00db6bead86db96e83d905aad5cb5feff42c345a9e8d', 
    'cNzZUYLqaCGIUF0JAOgrbUbULhtPlxwygVm6W3dVlro=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)