INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5816dc03f5303e9b1e2f6940c58e3945081157640754b7f4e71b461733313dae', 
    'rx0aw6AgLhOOvdzCxHjqELBDP6lvQwYNQ7a2gFVpjYk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)