INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1473904605ffd4dfc642f5fca3aa1db2ce1f946f2527dee499adab452d4a50dd', 
    'dkhWz2rwY0K7Oy4xJkcNsONRe/lL0z5Ks3dEhk67sa0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)