INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '391a737e74075b6b33de9471da3afaeb63456659d841b13d33d94396df7a47a1', 
    'cDXYvslC93zk9j3jjNXxvHl9tma0XcPJz4+QBme0PMk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)