INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '35c5c2e7abd04bd18e51463f15230437dfc411b4b304bf0a7b98f8190ac35252', 
    'R5NwMCgjtzL1jNhU96og6gdZiP2snJ5//eUbmQH8bfI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)