INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51eedf0d80b12d8fb48fd39fe6fd42f8a1b53d2fadbe7577bc88eb76eb9eeede', 
    'DXScRVjHFoveRkHYPv4BJuAsT+sJjq/luRuwyE7a+G0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)