INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '421f2feed16de1baeb0ea211e3f768cc78b987ad3e3b5865257f8881b017bf2c', 
    '0uKyb/wMnkNu/uFiDbiOWZdgziMHsDyP4A3OzoJ9eVE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)