INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a2018f9f3fb4dac442863b03ad6b7f18deff4f930bdba9f94af1a8dbcae6b6', 
    '8w7vgsZfHrtIXRexB2/RzheZUCeElYtOgF3YVsXPXAg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)