INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f5064f3666cd52a3bc524f7e81419d351b51d7644455922ac51974b5f3c624', 
    'ffk4SerXptRPzeIuH2961QE3lJ9Af2ko129LlQiTwfk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)