INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e0f68a6ebf81d194814b120ce4b25b895854f3d2e27b2186dd8b0741e1ffa593', 
    'c+n73IirQ0nnewpmobWqde1TmAJGKQ4ZjBOdhsXeW1g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)