INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b14d36aeefdd15818c04eba415d9bf7dc03cd2c3636e028289fedbf438c50681', 
    'u68NWJ+1wMN7ZUwj2UYxp3adtJl/7KzxmiCLXtCLbIQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)