INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '352a823f3343447d57f3af57f05a9a486b66ff94e4904fdeb5a3e25f5304cd15', 
    'z4HFE0nAKpfQY82P7XByDWTQOb/OXzsKjCyFxhIu2F0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)