INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd1fe5b99d15ff960edc73e90b5844c96cee1c5823f45021f87fcca92fefe438c', 
    'a45WXkHWUF0x7ROsHc0jwBQ7e4AWfFZlwgtjH6sw2lw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)